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April 18, 2014

April 18, 2014

Posted by **NotGonnaSay** on Monday, August 20, 2012 at 8:36pm.

- math -
**drwls**, Monday, August 20, 2012 at 9:39pmX at 6%

Y at 7%

Z at 8%

X + Y + Z = 5000

0.06X + 0.07Y + 0.08Z = 358

0.06X + 0.07Y - 0.08Z = 70

------------------------------

Subtracting the last two equations tells you that 0.16Z = 288

Z = 1800.

X + Y = 3200

0.12X + 0.14Y = 428

Take it from there. Cheack my math

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