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On Anne's bicycle, the ratio of pedal turns to rear- wheel turns in second gear is 4 to 7. If her rear wheel turns 875 times per mile, how many times does she turn the pedal in one mile? HINT: Set up and
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On Anne's bicycle, the ratio of pedal turns to rear- wheel turns in second gear is 4 to 7. If her rear wheel turns 875 times per mile, how many times does she turn the pedal in one mile? HINT: Set up and solve as a proportion to find x.

User BenM
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1 Answer

5 votes
4 / 7 = x / 875....4 pedal to 7 rear = x pedal to 875 rear
cross multiply
(7)(x) = (4)(875)
7x = 3500
x = 3500/7
x = 500 <== she turns the pedal 500 times in 1 mile
User Ddnv
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7.0k points
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