Question 709438: A college student earned $5500 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at 8% and the rest at 6%. If the student received a total of $384 in interest at the end of the year, how much was invested at 8%?
Answer by checkley79(3341)   (Show Source):
You can put this solution on YOUR website! .08X+.06(5,500-X)=384
.08X+330-.06X=384
.02X=384-330
.02X=54
X=54/.02
X=2,700 AMOUNT INVESTED @ 8%.
PROOF:
.08*2,700+.06(5,500-2,700)=384
216+.06*2,800=384
216+168=384
384=384
|
|
|
