Question

At Clarkson Elementary School, 4 out of 7 students are girls. There are 105 boys at Clarkson. How many students at Clarkson are girls?

Answer 1

Answer:

60

Step-by-step explanation:

ratio of girls and boys = 4:7

       Let (x)                             = 4x,7x

boys = 105

then ,

value of x =

                      105 = 7x

                        105/7 = x

                        x = 15

number of girls = 4x = 4*15

                         = 60 girls