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?

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asked May 25, 2020 37.2k views

4 votes

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?

Mathematics
middle-school

Goldins asked

by Goldins

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1 Answer

5 votes

Answer:

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

AmagicalFishy answered May 29, 2020

by AmagicalFishy

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