Question

A can of paint is used to

cover all 168 square feet of
a wall. The wall is 8 feet
high. Tape is placed along
the top, bottom, and sides
of the wall. What is the
width of the wall? How
much tape is needed?
Solve this problem any way
you choose.

Answer 1

The width is 21 feet. You need 58 feet of tape for the wall.

Answer 2

Answer: width is 21 feet. you need 58 feet of tape.

Explanation: the question gives you the area, which is 168 square feet. it also gives you one side of the wall. we know the wall is a rectangle, so two of the sides are 8 feet. we can find the other sides by dividing 168/8 = 21 feet. so now we know two sides are 8 and the other two sides are 21. The amount of tape needed is the perimeter of the wall. so P = 21 + 21 + 8 + 8. The perimeter is 58.

hope this helped!