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September 16, 2014

September 16, 2014

Posted by **liz** on Friday, January 18, 2013 at 9:23pm.

1.) Define the variable(s) and what they stand for.

2.) Set up an equation

3.) State the solutions

- algebra -
**Reiny**, Saturday, January 19, 2013 at 12:38amamount invested at 12% --- x

amount invested at 10% --- 15000-x

.12x + .10(15000-x = 1600

12x + 10(15000-x) = 160000

12x + 150000 - 10x = 160000

2x = 10000

x = 5000

so $5000 invested at 12% and $10000 invested at 10%

check:

.12(5000) + .1(10000) = 1600

YUP!

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