1.

There are 20 boys and 18 girls in the class. find the percentage of

Answer»

First TOT up the total number of people (doesn’t MATTER if they’re boys or girls).

20+18 = 38

The formula for percentage is (gain/whole) X 100 = %

In this case we want to know girls, so the gain would be the number of girls. So:

(18/38) X 100 = %

for boys (20/38) x 100=%

SOLVE these two and your answer comes

hope it is correct



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