There were 65 students in the hall. 80% of them were girls. How many girls were in the hall?

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Answer 1 · 2017-01-06T04:21:49

There were $52$ girls in the hall.

To determine $80%$ of the total number of $65$ students, we write:

$x=65xx80/100$

$x=65xx(8cancel0)/(10cancel0)$

$x=65xx8/10$

$x=520/10$

$x=(52cancel0)/(1cancel0)$

$x=52$