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 :(

Respuesta :

Answer:

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

Step-by-step explanation:

b. Solve the cost per bottle of water first:

[tex]\frac{9}{12} = 0.75[/tex]

a. [tex]3/0.75 = 4[/tex]

c. [tex]7\cdot0.75 = 5.25[/tex]

A. 4
B. $0.75
C. $5.25