Out of the 21 students in mrs. clark’s class, 3/7 of the class are boys and 4/7 of the class are girls. how many students in the class are girls and how many are boys?

for a it would be 24 children.

for b i don't understand the question. is it saying for each individual person they pick 5 reds to 7 greens or is it the whole group. clarify and i hope this can you.

step-by-step explanation:

answer:   (s+1)(s+4)

step-by-step explanation:

factor s2+5s+4

s2+5s+4

=(s+1)(s+4)