Question #79028

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Answer 1 · 2017-03-02T17:18:58

$80%$

This question might be easier to understand if it was asked as
'What percentage is 72 out of 90"?

(Like a score on a test)

To find a percentage: $" " "fraction" xx 100%$

Note that $100% = 100/100 = 1$

Multiplying by 1 does not change a value, just what it looks like.

$72/90 xx 100%$

$= (0.8 xx 100)%$

$= 80%$