Question

A gallon of latex paint can cover 300 square feet. Felix has a pentagonal room in which all the sides have the same lenth of 10 feet thr room has a 8 foot celings how many gallon containers of paint does he need to buy to paint two coats on each wall

Answer 1

Area of each wall is 10*8 = 80 square feet
there are 5 walls so total wall area is 5*80=400
he needs two coats on each wall so he needs to cover 2*400=800 square feet

so he needs to buy 3 galon containers