the radio of the number of boys to that of girls in the school band is 6 to 7 if there are 39 pupils in the band how many are boys ? how many are girls
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let the ratio of no of boys to the no of girls be 6x and 7x
6x + 7x = 39
13x = 39
x = 39/13
x = 3
So no of boys = 6x = 18
and girls = 7x = 21
6x + 7x = 39
13x = 39
x = 39/13
x = 3
So no of boys = 6x = 18
and girls = 7x = 21
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