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Nina can ride her bike 63,360 feet in 3,400 seconds, and Sophia can ride her bike 10 miles in 1 hour. What is Nina's rate in miles per hour if there are 5,280 feet in a mile?

2 Answers

5 votes

Answer:
12.7 and Nina is the faster biker.

Explanation:

i got it right on edge

User MarkJ
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4 votes
5,280 feet → 1 mile
63,360 feet → 63,360/5,280 = 12 miles

60 x 60 seconds → 1 hour
3,400 seconds → 3,400/3,600 = 17/18 hours

Nina's rate = 12 miles / (17/18) hours = 12 12/17 miles per hour.
User Satyam Kumar
by
8.9k points
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