3w = 15
Divide both sides by 3
3w ÷ 3 = 15 ÷ 3
w = 5
Answer:
Step-by-step explanation:
15 = 3w
Switch sides.
Divide both sides by 3.
-3.16666666667
X=22.5
Y=kX
20=15k
k=4/3
For X when Y=30
30=4/3×X
Cross multiply
4X=90
