Answer:10 in
Step-by-step explanation:
Answer:
w = 15
7(w + 3) = 16 + 10(w − 4)
7w + 21 = 16 + 10w - 40
7w + 21 = 10w - 24
-3w = - 45
So each bottle of water costs $0.85
look at the attached picture
Hope it will help you..