harrydavies2003
harrydavies2003 harrydavies2003
  • 13-01-2019
  • Mathematics
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4 fifths of a number is 64
find the number

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harpazo
harpazo harpazo
  • 13-01-2019

Let n be the number.


(4/5)n = 64


Divide both sides by (4/5).


n = 64 ÷ (4/5)


n = 64 • (5/4)


n = (16)(5)


n = 80


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