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Mathematics, 09.03.2021 19:20 hlhunter11p8f0o0

Clean Machine is Newton's premier house cleaning service. Last year, Clean Machine used 8,870 gallons of soap to clean its customers' homes. This year, the company used 4,435 gallons. What is the percent of decrease in the amount of soap per year?

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Clean Machine is Newton's premier house cleaning service. Last year, Clean Machine used 8,870 gallon...
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