John has four more quarters than dimes. if he has $5.20 in quarters and dimes, how many of each type coin does he have?

John has 16 quarters and 12 dimes

Step-by-step explanation:

Quarters are worth $0.25 each and Dimes are worth $0.10 each.

Let number of dimes John has be   and number of quarters he has be

This is Equation 1.

This is Equation 2.

Now, substituting Equation 1 into Equation 2 and solving for q gives us:

There are 16 quarters.

Now using this fact, we use this value in Equation 1 to get the number of dimes.

There are 12 dimes.

Hence, John has 16 quarters and 12 dimes.

answer: the answer is 110