Question

A manufacturer states their paint will cover 400 square feet per gallon. How much paint should you purchase to paint a house that is 30 feet wide and 54 feet long and has siding 10 feet high?

Answer 1

u need to find surface area which is 2(lw)+2(lh)+2(wh)

so is 2(30x54)+2(30x10)+2(54x10)= 2(1620)+2(300)+2(540)=

3240+600+1080=4920 square feet

divide the amount u need by the amount per gallon so is 4920/400 which is 12.3 gallons