Answer:
Step-by-step explanation:If you have 84 coins total and your ratio of dimes to quarters is 3:4,that is 7 coins.
12 times 7 is 84.
At this ratio you will have 36 dimes and 48 quarters.
36 dimes is $3.60 and the value of the quarters is $12.
Added together they have a value of $15.60
