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?

Algebra ->  Customizable Word Problem Solvers  -> Numbers -> 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?       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

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) About Me  (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