Question

1. what percent of a quarter is a nickel?

Explanation:

Step1: Define coin values

A quarter = $0.25$, a nickel = $0.05$

Step2: Set up percentage formula

Percent = $\frac{\text{Part}}{\text{Whole}} \times 100\%$

Step3: Substitute values and calculate

Percent = $\frac{0.05}{0.25} \times 100\% = 0.2 \times 100\% = 20\%$

Answer:

20%