Question

Kelly skated 4 laps in 86 seconds. Which of the following is an equivalent rate of skating?

A. 6 laps in 120 seconds
B. 10 laps in 205 seconds
C. 6 laps in 130 seconds
D. 10 laps in 215 seconds

Answer 1

Answer:

D: 10 laps in 215 seconds

Step-by-step explanation:

86/4 = 21.5 seconds per lap

I went through and multiplied each lap number by the time per lap and the last one, D is the right answer!

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