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? Which girl bikes faster?
1 answer:
convert feet to miles
63360/5280 = 12 miles
convert seconds to hours, there are 3600 seconds per hour
3400/3600 = 0.94 hours
since Nina rode 12 miles in 0.94 hours she is faster ( rode further in less time)
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