Question

PLEASE HELP ME !! ASAP !! I NEED HELP !!

Answer 1

c. 40

a. 3.5

Explanation:

question 2:

2x+3x+4x=180

9x=180

x=180/9

x=20

2x=2(20)=40

question 3:

x/15=4/17

17x=60

x=60/17

x=3.5