Question

There are 18 girls in Mr. Brimley's math class. If 40% of the students are girls, what is the best estimation for the number of boys in the class?
A. 20
B. 30
C. 40
D. 50

Answer 1

Answer:

a) 20

Step-by-step explanation:

It is 40 percent ( given)

18/2=9

9×5=40 (100%)

Girls- 18( given)

Boys- 40-18=22

Rounded off-20