Respuesta :

Answer:

2 1/4 gallons or 2.25 gallons

Step-by-step explanation:

3/4 is 1/3 of the wall

then 9/4 is all of the wall

so 9/4 simplified is

2 and 1/4 gallons

Answer: 3 cans

Step-by-step explanation:if 3/4 of a gallon covers 1/3 of a wall you will need 9/4 also known as 2 1/4 of a can so you will have to buy 3 cans