Thursday

July 31, 2014

July 31, 2014

Posted by **Tony** on Sunday, March 25, 2007 at 9:51pm.

I think you mean that part (let'say x) earns 15% and the rest earns 2%

Solve thes two equations simultaneously:

x + y = 14,000

0.15 x + 0.02 y = 1060

0.15 x + 0.15 y = 2100

(I multiplied the first equation by 0.15)

0.13 x = 1040

I subtracted the second equation from the third)

Now finish it

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