Homework Help: MATH

Posted by Anonymous on Monday, February 21, 2011 at 4:14pm.

In Jessica's art class, the ratio of girls to boys is 3:2. If there are 25 students in the class, how many more girls are there than boys?

MATH - Helper, Monday, February 21, 2011 at 4:29pm
Girls : Boys = 3 : 2
3x = girls
2x = boys

3x + 2x = 25
5x = 25
x = 5

Girls = 3x = 3(5) = 15
Boys = 2x = 2(5) = 10

How many more girls are there than boys?
MATH - VIKASH KUMAR GUPTA, Sunday, October 28, 2012 at 12:33pm
5

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