The number of boys and girls in a class are in the ratio 7:5 .the number of boys is 8 more than the number of girls . What is the total number of children in the class?
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I have a simple way to solve this question
so let's make a table
ratio. no of students
boys-. 7. x 7x +8
girls. 5x
so it is said that the boys are 8more that the girls
7x+8=5x
7x-5x=8
2x=8
x=8/2
x=4
so boys 7*4= 24
girls =5*4=20
total Stu=48
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