A math class has a total of 31 students. the number of males is 15 more than the number of females. how many males and how many females are in the class?

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Mathematics

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30 August, 05:18

A math class has a total of 31 students. the number of males is 15 more than the number of females. how many males and how many females are in the class?

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Donavan Burch · Answer 1

Let the number of females = x. This means the number of males in the class is x+15.

Put the two together to get x + (x+15) = 31. Simplify to 2x + 15 = 31. Subtract 15 on both sides to get 2x = 16. Divide by 2 on both sides to isolate the x to get x = 8.

There are 8 females in the class meaning there are 23 males in the class.