Question

Twelve large bottles of water cost $9.

a. How many bottles can you buy for $3?
b. What is the cost per bottle of water?
c. How much would 7 bottles of water cost?
Help pls :(

Answer 1

A. 4
B. $0.75
C. $5.25

Answer 2

a. 4, b. $0.75, c. $5.25

Explanation:

b. Solve the cost per bottle of water first:

`(9)/(12) = 0.75`

a.
`3/0.75 = 4`

c.
`7\cdot0.75 = 5.25`