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A bicyclist rides 16 miles in 144 minutes. If she continues at this speed, how long will it take her to travel 36 miles?
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5 votes
A bicyclist rides 16 miles in 144 minutes. If she continues at this speed, how long will it take her to travel 36 miles?

User Pavel Komarov
by
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2 Answers

6 votes
find the unit rate...
144 divided by 16 is 9.
9 minutes for one mile.
now you multiply 9 and 36 to find how long it took...
9 x 36 = 324 minutes or 5.4 hours
User Bcarothers
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3 votes
16/144 = 36/x....16 miles to 144 minutes = 36 miles to x minutescross multiply(16)(x) = (144)(36)16x = 5184x = 5184/16x = 324 minutes 
User ArchNoob
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