calculate the paint thickness of 2 gallons of paint covers a wall 10 feet high by 30 feet long use appropriate units

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter63: Volumes Of Pyramids And Cones
Section: Chapter Questions
Problem 28A: Find the volume of the frustum of a right circular cone with a 155.68-centimeter radius base and a...
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calculate the paint thickness of 2 gallons of paint covers a wall 10 feet high by 30 feet long use appropriate units

Expert Solution
Step 1

It is known that 1 gallon=0.133681 cubic feet

Therefore, volume of 2 gallon paint is 

V=2×0.133681 cubic feet=0.267362 cubic feet

Let the thickness be x feet

Area of the wall is 

A=10×30 square feet=300 square feet

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