Anonymous Anonymous

19-12-2016
Mathematics

Answered

A song has 28 beats in 4 seconds . At this rate ,how many beats are there in 30 seconds?

Verified Answer :

greenacres greenacres

19-12-2016

you need to make a proportion

beats 28 x
seconds 4 30

cross multiply and divide

(28) (30) = 4x

840 = 4x
210 = x

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Anonymous Anonymous

19-12-2016

This is like math.. 28 divided by 4 = 7.. 7 x 30 = 210 so your answer is 210.

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