What is the number if 80% of 50% of it is 0.72?

1 Answer
Euan S.
Aug 25, 2017

#x = 1.8#

Explanation:

So let's call our original number #x#. To take 80% of 50% of #x# what we have done is multiply first by 0.5 and then by 0.8. Hence,

#0.72 = 0.8*0.5*x#

#implies x = (0.72)/(0.8*0.5)#

#therefore x = 1.8#

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