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Madelynne hopped 12 times in 15 seconds. What is her speed in hops per minute?
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Madelynne hopped 12 times in 15 seconds. What is her speed in hops per minute?

User Vladimir Davidovich
by
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2 Answers

2 votes
im pretty sure its 3.2

User Gurjap Singh
by
6.0k points
2 votes
1 minute = 60 seconds

12 / 15 = x / 60.....12 times to 15 seconds = x times to 60 seconds
cross multiply
(15)(x) = (12)(60)
15x = 720
x = 720/15
x = 48 <=== Madelynne hopped 48 times in 1 minute
User Ghazala
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5.2k points
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