Question

You are painting your bedroom wall which is 9 feet high and 12 feet long, using paint that covers 50 square feet per gallon. How many gallons do you need to paint the wall?

Answer 1

you will need 7 gallons of pains

Answer 2

2.16 gallons

Explanation:

Area to be painted:

9 ft × 12 ft = 108 ft²

Pain required:

• 50 ft² = 1 gallon ⇒ 1 ft² = 1/50 gallon

• 108 ft² = ?

• 108 × 1/50 = 2 8/50 = 2.16 gallons