Question

20 points

Each pail of plaster covers 95 square feet of ceiling. How many pails of
plaster would you need to buy to cover the ceiling of a room with walls 15
feet long?

Answer 1

You would need to know the length of the room's width to determine the area of the ceiling. Once you have the area of the ceiling, you can divide it by the coverage of each pail of plaster to determine the number of pails needed.

Assuming the room is a perfect rectangle, if the walls are 15 feet long, you would need to know the width of the room to calculate the ceiling area. Without that information, I cannot calculate the number of pails of plaster needed.