Answer:
2 times as many dimes as quarter.
Explanation:
Oliver was counting his spare change. He had 10 dimes and 2 quarters.
∵ 1 dime = $0.10
∴ 10 dimes = 10 × 0.10 = $1.00
∵ 1 quarter = $0.25
∴ 2 quarter = 2 × 0.25 = $0.50
To calculate how many times as many dimes does Oliver have than quarters we will divide dimes by quarter.
=

= 2 times
Oliver has 2 times as many dimes as quarters.