A collection of dimes and quarters is worth $19.85. There are 34 more dime than quarters. Write a system of equations that can be used to find how many of each type of coin there are in the collection.

Answer 1

I'll work this one to give you an idea of how to do the others.

Let D = # of dimes and Q = # of quarters.

D = Q + 34

10D + 25Q = 1985

Answer 2

47 Quarters and 81 Dimes