Question

help pls! i will give a medal

Answer 1

hi

Answer 2

I'm so confused

Answer 3

what is the difference between 9 and 21?

Answer 4

12

Answer 5

what is 12 + 3

Answer 6

15

Answer 7

no you right it is 15 you just solved for x

Answer 8

what is the difference between 15 and 21?

Answer 9

that's none of the choices though

Answer 10

6

Answer 11

That is weird. Was there a formula given to you in your lesson that could perhaps share as to what we (mostly the turtor) wrong?

Answer 12

x/3 = 21/9 = 7/3
x = 3*(7)/3 = 7