Stacy is going to paint the side of a house with the dimensions 30 feet by 20 feet. If a gallon of paint will cover 250 square feet, how much paint will she need?

(30 * 20)/250 = ?

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To determine the amount of paint Stacy will need, we first need to calculate the area of the side of the house.

The area of a rectangle is calculated by multiplying its length by its width. In this case, the length of the house is 30 feet, and the width is 20 feet. So, the area of the house side is:

Area = Length × Width = 30 feet × 20 feet = 600 square feet.

Now, we know that a gallon of paint can cover 250 square feet. To find out how many gallons of paint Stacy will need, we divide the area of the house side by the coverage of one gallon:

Number of gallons = Area ÷ Coverage per gallon = 600 square feet ÷ 250 square feet/gallon.

Dividing the area by the coverage per gallon:

Number of gallons = 600 ÷ 250 = 2.4 gallons.

Stacy will need approximately 2.4 gallons of paint to cover the side of the house. Since she can't buy a fraction of a gallon, she will need to purchase 3 gallons of paint to ensure she has enough to cover the entire area.