3 years ago

In science class, the girl to bot ratio is 3 to 7, if there are 50 students total in the class, how many are boys

1 answer:

6 0

Number of boys = (7 /(7+3))*50 =( 7 / 10 )*50 = 7*5 = 35

so there are 35 boys in the class

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