If the walls are 9' high, how much paint would i need to buy to paint the walls of all three bedrooms?

The required paint for a total of is approximate 6 gallons

Step-by-step explanation:

we know that

To find how much paint would I need to buy to paint the walls of all three bedrooms, calculate the area of all three bedrooms

Master Bedroom

The area is equal to

2 Bedroom

The area is equal to

3 Bedroom

The area is equal to

The total area is equal to

A=A1+A2+A3

Approximate one gallon of paint covers 250 square feet

so