SOLUTION: A man invests a portion of $3,600 at 8% annual interest and the balance at 7%. If he receives $264 interest during the first year, how much did he invest at each rate?
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Question 146975: A man invests a portion of $3,600 at 8% annual interest and the balance at 7%. If he receives $264 interest during the first year, how much did he invest at each rate? Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! .08X+.07(3600-X)=264
.08X+252-.07X=264
.01X=264-252
.01X=12
X=12/.01
X=1200 INVESTED @ 8%
3600-1200=2400 INVESTED @ 7%
PROOF:
.08*1200+.07*2400=264
96+168=264
264=264
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