
Donny B. answered 08/26/15
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Veteran Tutor with more than 10+ years of experience in K-12 subjects
In one hour, there are four (4) 15-minute "sections." So in one hour, 140 people can ride the ferris wheel since 35 X 4 = 140. For three hours, simply do 140 X 3, which is 420.
Answer: 420 people in three hours.