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each pail of plaster covers 90 square feet of ceiling. What is the least number of pails of plaster you would need to buy to cover the ceiling of a room with walls 14 feet long?
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each pail of plaster covers 90 square feet of ceiling. What is the least number of pails of plaster you would need to buy to cover the ceiling of a room with walls 14 feet long?

User Khanetor
by
7.2k points

2 Answers

3 votes

Answer:

3

Explanation:

ik

User Matiferrigno
by
7.7k points
2 votes
The area of the ceiling:
A = 14² = 196 ft²
We need plaster to cover 196 ft².
196 : 90 = 2.17778
Answer: We have to buy 3 pails of plaster.
User Tristantzara
by
8.6k points
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