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 mil
es per hour if there are 5,280 feet in a mile?
1 answer:
3400/3600 to change seconds to hours = 0.94 hours
63360 / 5280 = 12 miles
12 miles / 0.94 hours = 12.77 miles/hour
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