Classroom

In a class are 32 pupils. Boys are 8 less than girls. How many boys and girls are in the classroom?

Result

a =  12
b =  20

Solution:


a+b=32
a = b-8

a+b = 32
a-b = -8

a = 12
b = 20

Calculated by our linear equations calculator.







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To solve this example are needed these knowledge from mathematics:

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