Answer:
5 : 1 is the ratio of quarters to nickels in a dollar.
Explanation:
Using the conversion:
1 quarter = $0.25
1 nickel = $0.05
We have to find the ratio of quarter to nickels in a dollar.

Using conversion we have;

Simplify:

or
5 : 1
Therefore, the ratio of quarters to nickels in a dollar is, 5 : 1