Question

in a class of 50 students,the number of girls is 20 less than the number of boys. Find the number of boys and girls ​

Answer 1

Answer:

Let the boys be x and girls be x-20 so that

x + (x-20) = 50

x + x-20 = 50

2x = 50+20 = 70

x = 70/2 = 35

The no. of boys are 35 and the no. of girls are x-20 = 35-20 = 15

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