in a class of 52 students , the no. of boys is 6/7 of the no. of girls.how many are boys.
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let no of boys be x.
total no of students = 52
no. of girls = 52-x
given :
no. of boys = 6/7 of no. of girls
x = 6/7 * (52-x)
x = 6/7*52 - 6/7*x
x = 312/7 - 6x/7
x+ 6x/7 = 312/7
13x/7 = 312/7
13x = 312
x = 24
no of boys = 24
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