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

1 Answer
Jan 6, 2017

There were 5252 girls in the hall.

Explanation:

To determine 80%80% of the total number of 6565 students, we write:

x=65xx80/100x=65×80100

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

x=65xx8/10

x=520/10

x=(52cancel0)/(1cancel0)

x=52