Question

There are 42 people at a museum.Two-thirds of them are children.How many children are at the museum?If 13 of the children are girls,how many boys than are at the museum

Answer 1

15 boys

Explanation:

Number of children = (2/3) of 42

`=(2)/(3)*42\\\\= 2 * 14\\\\= 28`

Number of boys = 28 - 13 = 15