Question 429589
Let d = the number of dimes
Then the number of nickels = d + 2
Since the total is 85 cents, we can write the following equation:
10*d + 5*(d + 2) = 85
Solve for d:
10d + 5d + 10 = 85 -> 15d = 75 -> d = 5
Therefore, the number of dimes is 5 and the number of nickels is 7.