SOLUTION: Gina has 3 times as many dimes as quaters, the dollor amount of her dimes ND QUATERS IS 6.05. How many quarters does she have?

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Question 339689: Gina has 3 times as many dimes as quaters, the dollor amount of her dimes ND QUATERS IS 6.05. How many quarters does she have?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
d=3q
.10d+.25q=6.05
.10*3q+.25q=6.05
.3q+.25q=6.05
.55q=6.05
q=6.05/.55
q=6.05/.55
q=11 number of quarters.
d=3*11=33 number of dimes.
Proof:
.10*33+.25*.11=6.05
3.30+2.75=6.05
6.05=6.05