Question

In a class of 60 students, the number of girls is one third the number boys
. Find the number of girls
and boys in the class.​

Answer 1

Answer:

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Answer 2

Answer:

Let boys be x.

and girls is 1x/3.

then,

$1x \div 3 + \: x = 60 \\ = 4x \div 3 = 60 \\ = 4x = 60 \times 3 \\ = 4x = 180 \\ = x = 180 \div 4 \\ = x = 45$

so, x is 45.

total no. of boy is 45.

total no. of girls is

$1 \times 45 \div 3 \\ = 15$