maddiigirl1432 maddiigirl1432

20-01-2018
Mathematics

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

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19knieriemenaoxoj9t 19knieriemenaoxoj9t

20-01-2018

im pretty sure its 3.2

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texaschic101 texaschic101

20-01-2018

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

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