SOLUTION: A tip jar contains twice as many quarters as dollar bills. If it has a total of 12 in it, how many quarters and how many dollar bills does it contain?
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Question 347623: A tip jar contains twice as many quarters as dollar bills. If it has a total of 12 in it, how many quarters and how many dollar bills does it contain?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
.25*2x+1x=12
.5x+1x=12
1.5x=12
x=12/1.5
x=8 dollar bills.
8*2=16 quarters.
Proof:
.25*16+1*8=12
4+8=12
12=12
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