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Becky wants to paint the walls in her bedroom. A gallon of paint will cover 300 ft. She measures the surface to be painted; it's 100,800 in². How many gallons of paint should she buy? She should buy whole gallon(s). X 5

Becky wants to paint the walls in her bedroom. A gallon of paint will cover 300 ft. She measures the surface to be painted; it's 100,800 in². How many gallons of paint should she buy? She should buy whole gallon(s). X 5

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Becky wants to paint the walls in her bedroom. A gallon of paint will cover 300 square feet (ft²). She measures the surface to be painted; it's 100,800 square inches (in²). How many gallons of paint should she buy? To calculate the number of gallons needed, follow these steps: 1. Convert the area from square inches to square feet: - Since there are 144 square inches in a square foot (12 in * 12 in), divide the total area in square inches by 144. - 100,800 ÷ 144 = 700 ft² 2. Determine the number of gallons required: - Divide the total area in square feet by the coverage of one gallon. - 700 ÷ 300 ≈ 2.33 3. Since paint can only be purchased in whole gallons, round up to the nearest whole number. - Becky should buy 3 whole gallons. In the interface, there is a space for the numerical entry and buttons to clear or reset the entry.
Transcribed Image Text:Becky wants to paint the walls in her bedroom. A gallon of paint will cover 300 square feet (ft²). She measures the surface to be painted; it's 100,800 square inches (in²). How many gallons of paint should she buy? To calculate the number of gallons needed, follow these steps: 1. Convert the area from square inches to square feet: - Since there are 144 square inches in a square foot (12 in * 12 in), divide the total area in square inches by 144. - 100,800 ÷ 144 = 700 ft² 2. Determine the number of gallons required: - Divide the total area in square feet by the coverage of one gallon. - 700 ÷ 300 ≈ 2.33 3. Since paint can only be purchased in whole gallons, round up to the nearest whole number. - Becky should buy 3 whole gallons. In the interface, there is a space for the numerical entry and buttons to clear or reset the entry.
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