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Chapter 2: Q42. (page 115)

PAINT Joel used a half-gallon of paint to cover 84 square feet of wall. He has 932 square feet of wall to paint. How many gallons of paint should he purchase?

Short Answer

Expert verified

The number of gallons of paint needed are .

Step by step solution

01

Step 1. Write down the given statement.

It is given that half-gallon covers 84 square feet.

Therefore 1 complete gallon will cover:

=842=168sq.feet

02

Step 2. By method of proportion.

Let the total number of gallons of paint be x. Therefore the proportion can be written as:

1168=x932168x=1932168x=932168x168=932168x=5.55鈥塯补濒濒辞苍蝉

03

Step 3. Conclusion for the number of gallons needed.

The number of gallons of paint needed are x=5.55鈥塯补濒濒辞苍蝉.

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