Find which is greater

Algebra Level 2

In a certain room of 60 students, the ratio of boys to girls is 3 : 1 3:1 . In another room of 180 students, the ratio of boys to girls is 4 : 5 4:5 . Which is greater?

A. The total number of boys.

B. The total number of girls.

C. They are equal.

C B A

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1 solution

Denton Young
Feb 18, 2020

In room 1, there are 45 boys and 15 girls.

In room 2, there are 80 boys and 100 girls.

Adding, total boys = 125, total girls = 115.

Thanks for posting a solution.

A Former Brilliant Member - 1 year, 3 months ago

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