Answer:
there is some of it sorry cant realy help
Step-by-step explanation:
3x+2x=5x 5*5=25
10:4
35:14
55:22
10:4 divided by 2:2=5:2
35:14 divided by 7:7= 5:2
55:22 divided by 11:11= 5:2
X and y vary directily means
y=kx
72=3k
divide both sides by 3
24=k
k=24
y=72