Question
A room 28 ft long and 20 ft wide has walls 8 ft high.a. What is the total wall area?b. How many gallon cans of paint should be bought to paint the walls if 1 gal of paint covers 300 $\mathrm{ft}^{2}$ ?
Step 1
The room has four walls, two of which are 28 ft long and 8 ft high, and the other two are 20 ft long and 8 ft high. So, the total wall area is given by the formula: $2*(length*height) + 2*(width*height)$. Show more…
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A room 28 ft long and 20 ft wide has walls 8 ft high. a. What is the total wall area? b. How many gallon cans of paint should be bought to paint the walls if 1 gal of paint covers 300 $\mathrm{ft}^{2}$ ?
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