If the ratio of boys to girls on the team is 2:3and there are 12 girls how many boys are there?

8 boys

Step-by-step explanation:

It's a ratio problem.

The ratio of boys to girls is 2:3

Since you know how many girls their are you plug it in

2:x

3:12

Basically you see how you get from 3 to 12 and the answer is to multiply by 4

Since it is a ratio problem you also multiply the 2 by 4

Your answer is 8 boys

78.59 is the mean

step-by-step explanation:

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.