3/7 of 8th graders play sports. is 3/5 of the 8th graders that play sports are boys, what fraction of the 8th graders are boys

is the fraction of 8th graders who are boys.

Step-by-step explanation:

Let total number of 8th graders =

Given that, of 8th graders play sports

8th graders who play sports =

Also, Given that, of 8th graders that play sports are boys

Number of 8th graders that play sports, and are boys =

Hence, the answer is:

is the fraction of 8th graders who are boys.

hello from mrbilldoesmath!

answer:   x (x+6)^2, choice b

discussion:

factor x out of the equation:

x^3 + 12x^2 + 36x = x (x^2 + 12x + 36).

note that 6+6 = 12 and 6*6 = 36 so the above factors into:

x (x+6)^2

which is choice b

you,

mrb