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April 19, 2014

April 19, 2014

Posted by **John** on Wednesday, January 23, 2013 at 6:01pm.

- Math -
**Henry**, Thursday, January 24, 2013 at 6:16pmInvested $P @ 7%.

Invested $(15,000-P) @ 8%.

P*r*t + (15000-P)*r*t = $1100.

P*0.07*1 + (15000-P)*0.08*1 = 1100

0.07P + 1200 -0.08P = 1100

-0.01P = 1100-1200 = -100

P = $10,000 @ 7%.

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