each new backpack at delias bookstore comeswith one free gift.the ber graph below shows the number of differt types of freegifts that wrw placed in 50 different backpacks.

NEW BACKPACKS
WATER BOTTLE-15
KEY RING -20
DAILY PLANNER - 10
NOTEBOOK - 5

if the distribution ratio of free gifts placed in backpacks remains the same ,how many water bottles should be placed in 100 backpacks?
f.15 water b.
g.30 water b.
h.45 water b.
i.60 water b.
please HELP ME

If 15 water bottles were in 50, what number should be in 100 backpacks to keep the ratio the same?

15/50 = X/100

Solve for X.