A home cleaning service takes more time to clean larger spaces. The table shows the number of minutes it takes for the service to clean a certain number of square feet within a home.Square Feet and Cleaning TimeNumber of Square Feet, x5080100150Time in Minutes, y20324060Based on the table, how many minutes would it take for the service to clean 200 square feet?
The table shows a constant rate: 50 square feet takes 20 minutes, or 20 ÷ 50 = 0.4 minute per square foot. For 200 square feet, 200 × 0.4 = 80 minutes, so the answer is 80 minutes.
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