Question

Solve the word problem: The ratio of boys to girls in Mrs. Harris’ class is 2:5. There are 20 girls in the class. What is the total number of students in Mrs. Harris’ class?

Answer 1

There are 8 boys.

Explanation:

2/5 = x/20

Set it up as a proportion.

2*20=5x

Cross Multiply

40=5×

40/5=x

8=x

Solve for x