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30 September, 09:40

3. A middle school yearbook committee has 35 members. There are 7 more girls than boys. Write a system of linear equations, define your variables, and solve the system to find the number of boys and number of girls.

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  1. 30 September, 09:44
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    well, suppose the number of boy is x, then the number of girl is y=x+7, then the number of girls and boys is 2x+7=35. so x is 14. it means the number of boy is 14, girl is 21.
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