Question

total number of the boys and girls in a class is 52. if the number of girls is 10 more than boys, find the number of boys

Answer 1

total = 52
let the number of boys be X
then the number of girls = X + 10
X+(X+10) = 52
2x+10= 52
2x = 52-10
2x= 42
X= 42/ 2
X = 21

so number of boys = 21

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Answer 2

the no. of boys be x and girls be x+10
according to question,
                                   x+x+10=52
                                     2x+10=52
                                           2x=52-10
                                             x=42/2
                                             x=21
no. of boys = x=21
no. of girls = x+10=21+10=31