jmtwilling12oyerrw jmtwilling12oyerrw

30-11-2017
Mathematics

contestada

Thirty six of eighty piano keys are black. What fraction of piano keys are black?

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madisonknisley madisonknisley

30-11-2017

36/80 divided by 2 is 18/40
18/40 divided by 2 is 9/20
There is no common multiple, so the answer would be 9/20.

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