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=
=
Example F. (Mixed investments)  We have $2000 m= ore at a 6% account than at a 5% account. In one year, their combined interest is $560.= How much is in each account?
Linear Word-Problems
------=_NextPart_01C8E123.AF5AAF40 Content-Location: file:///C:/6457A213/4linearwordproblems_files/slide0436.htm Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="us-ascii" Expressions
=
=
Example F. (Mixed investments)  We have $2000 m= ore at a 6% account than at a 5% account. In one year, their combined interest is $560.= How much is in each account?
We make a table.<= span style=3D'mso-spacerun:yes'> 
Linear Word-Problems
interest
principal
rate
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=
=
Example F. (Mixed investments)  We have $2000 m= ore at a 6% account than at a 5% account. In one year, their combined interest is $560.= How much is in each account?
We make a table.<= span style=3D'mso-spacerun:yes'>  Let x =3D amount in the 5% accoun= t.
Linear Word-Problems
x
5%
6%
interest
principal
rate
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=
=
Example F. (Mixed investments)  We have $2000 m= ore at a 6% account than at a 5% account. In one year, their combined interest is $560.= How much is in each account?
We make a table.<= span style=3D'mso-spacerun:yes'>  Let x =3D amount in the 5% accoun= t.
Linear Word-Problems
x
5%
(x + 2000)
6%
interest
principal
rate
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=
=
Example F. (Mixed investments)  We have $2000 m= ore at a 6% account than at a 5% account. In one year, their combined interest is $560.= How much is in each account?
We make a table.<= span style=3D'mso-spacerun:yes'>  Let x =3D amount in the 5% accoun= t.
Linear Word-Problems
x
5%
(x + 2000)
6%
interest
principal
rate
6
100<= /div>
(x+2000)
5
100<= /div>
 x
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=
=
Example F. (Mixed investments)  We have $2000 m= ore at a 6% account than at a 5% account. In one year, their combined interest is $560.= How much is in each account?
We make a table.<= span style=3D'mso-spacerun:yes'>  Let x =3D amount in the 5% accoun= t.
Linear Word-Problems
x
5%
(x + 2000)
6%
interest
principal
rate
6
100<= /div>
(x+2000)
5
100<= /div>
 x
Total amount = ;
of interest is= 3;
$560
}
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=
=
Example F. (Mixed investments)  We have $2000 m= ore at a 6% account than at a 5% account. In one year, their combined interest is $560.= How much is in each account?
We make a table.<= span style=3D'mso-spacerun:yes'>  Let x =3D amount in the 5% accoun= t.
Linear Word-Problems
x
5%
(x + 2000)
6%
interest
principal
rate
6
100<= /div>
(x+2000)
5
100<= /div>
 x
Total amount = ;
of interest is= 3;
$560
Hence:
6
100<= /div>
(x + 2000) = +
5
100<= /div>
x =3D 560
}
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=
=
Example F. (Mixed investments)  We have $2000 m= ore at a 6% account than at a 5% account. In one year, their combined interest is $560.= How much is in each account?
We make a table.<= span style=3D'mso-spacerun:yes'>  Let x =3D amount in the 5% accoun= t.
Linear Word-Problems
x
5%
(x + 2000)
6%
interest
principal
rate
6
100<= /div>
(x+2000)
5
100<= /div>
 x
Total amount = ;
of interest is= 3;
$560
Hence:
6
100<= /div>
(x + 2000) = +
5
100<= /div>
x =3D 560
[
]
* 100
6
100<= /div>
(x + 2000) = +
5
100<= /div>
x =3D 560
}
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=
=
Example F. (Mixed investments)  We have $2000 m= ore at a 6% account than at a 5% account. In one year, their combined interest is $560.= How much is in each account?
We make a table.<= span style=3D'mso-spacerun:yes'>  Let x =3D amount in the 5% accoun= t.
Linear Word-Problems
x
5%
(x + 2000)
6%
interest
principal
rate
6
100<= /div>
(x+2000)
5
100<= /div>
 x
Total amount = ;
of interest is= 3;
$560
Hence:
6
100<= /div>
(x + 2000) = +
5
100<= /div>
x =3D 560
[
]
* 100
6
100<= /div>
(x + 2000) = +
5
100<= /div>
x =3D 560
100
1
1
}
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=
=
Example F. (Mixed investments)  We have $2000 m= ore at a 6% account than at a 5% account. In one year, their combined interest is $560.= How much is in each account?
We make a table.<= span style=3D'mso-spacerun:yes'>  Let x =3D amount in the 5% accoun= t.
Linear Word-Problems
x
5%
(x + 2000)
6%
interest
principal
rate
6
100<= /div>
(x+2000)
5
100<= /div>
 x
Total amount = ;
of interest is= 3;
$560
Hence:
6
100<= /div>
(x + 2000) = +
5
100<= /div>
x =3D 560
[
]
* 100
6
100<= /div>
(x + 2000) = +
5
100<= /div>
x =3D 560
100
1
1
6(x + 2000)= + 5x =3D 56000
}
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=
=
Example F. (Mixed investments)  We have $2000 m= ore at a 6% account than at a 5% account. In one year, their combined interest is $560.= How much is in each account?
We make a table.<= span style=3D'mso-spacerun:yes'>  Let x =3D amount in the 5% accoun= t.
Linear Word-Problems
x
5%
(x + 2000)
6%
interest
principal
rate
6
100<= /div>
(x+2000)
5
100<= /div>
 x
Total amount = ;
of interest is= 3;
$560
Hence:
6
100<= /div>
(x + 2000) = +
5
100<= /div>
x =3D 560
[
]
* 100
6
100<= /div>
(x + 2000) = +
5
100<= /div>
x =3D 560
100
1
1
6(x + 2000) + 5x = =3D 56000
6x + 12000 + 5x = =3D 56000
}
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=
=
Example F. (Mixed investments)  We have $2000 m= ore at a 6% account than at a 5% account. In one year, their combined interest is $560.= How much is in each account?
We make a table.<= span style=3D'mso-spacerun:yes'>  Let x =3D amount in the 5% accoun= t.
Linear Word-Problems
x
5%
(x + 2000)
6%
interest
principal
rate
6
100<= /div>
(x+2000)
5
100<= /div>
 x
Total amount = ;
of interest is= 3;
$560
Hence:
6
100<= /div>
(x + 2000) = +
5
100<= /div>
x =3D 560
[
]
* 100
6
100<= /div>
(x + 2000) = +
5
100<= /div>
x =3D 560
100
1
1
6(x + 2000) + 5x = =3D 56000
6x + 12000 + 5x = =3D 56000
        = ;  11x =3D 56000 – 12000 =3D 44000
}
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=
=
Example F. (Mixed investments)  We have $2000 m= ore at a 6% account than at a 5% account. In one year, their combined interest is $560.= How much is in each account?
We make a table.<= span style=3D'mso-spacerun:yes'>  Let x =3D amount in the 5% accoun= t.
Linear Word-Problems
x
5%
(x + 2000)
6%
interest
principal
rate
6
100<= /div>
(x+2000)
5
100<= /div>
 x
Total amount = ;
of interest is= 3;
$560
Hence:
6
100<= /div>
(x + 2000) = +
5
100<= /div>
x =3D 560
[
]
* 100
6
100<= /div>
(x + 2000) = +
5
100<= /div>
x =3D 560
100
1
1
6(x + 2000) + 5x = =3D 56000
6x + 12000 + 5x = =3D 56000
        = ;  11x =3D 56000 – 12000 =3D 44000
        = ;      x =3D 44000/11 =3D $4000
}
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=
=
Example F. (Mixed investments)  We have $2000 m= ore at a 6% account than at a 5% account. In one year, their combined interest is $560.= How much is in each account?
We make a table.<= span style=3D'mso-spacerun:yes'>  Let x =3D amount in the 5% accoun= t.
Linear Word-Problems
x
5%
(x + 2000)
6%
interest
principal
rate
6
100<= /div>
(x+2000)
5
100<= /div>
 x
Total amount = ;
of interest is= 3;
$560
Hence:
6
100<= /div>
(x + 2000) = +
5
100<= /div>
x =3D 560
[
]
* 100
6
100<= /div>
(x + 2000) = +
5
100<= /div>
x =3D 560
100
1
1
6(x + 2000) + 5x = =3D 56000
6x + 12000 + 5x = =3D 56000
        = ;  11x =3D 56000 – 12000 =3D 44000
        = ;      x =3D 44000/11 =3D $4000
}
So we've $4= 000 in the 5% accnt.
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=
=
Example F. (Mixed investments)  We have $2000 m= ore at a 6% account than at a 5% account. In one year, their combined interest is $560.= How much is in each account?
We make a table.<= span style=3D'mso-spacerun:yes'>  Let x =3D amount in the 5% accoun= t.
Linear Word-Problems
x
5%
(x + 2000)
6%
interest
principal
rate
6
100<= /div>
(x+2000)
5
100<= /div>
 x
Total amount = ;
of interest is= 3;
$560
Hence:
6
100<= /div>
(x + 2000) = +
5
100<= /div>
x =3D 560
[
]
* 100
6
100<= /div>
(x + 2000) = +
5
100<= /div>
x =3D 560
100
1
1
6(x + 2000) + 5x = =3D 56000