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11 jumping jacks in 8 seconds, how many in 20 seconds
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11 jumping jacks in 8 seconds, how many in 20 seconds

User Ryryan
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Answer:

27.5

Explanation:

If you are doing 11 jumping jacks in 8 seconds, then that means you are doing 1.375 jumping jacks in 1 second.

1.375 x 20 is 27.5.

So, if you continue at that rate, you will do 27.5 jumping jacks in 20 seconds.

User Mamesaye
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