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Mathematics, 07.02.2021 20:30 xoxo12376

Norma and Albert both clean pools. Each charges a flat fee to clean a pool. Norma cleans 12 pools in 8 hours and earns $270. Albert cleans 9 pools in 7.5 hours and earns $195.75.

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Norma and Albert both clean pools. Each charges a flat fee to clean a pool. Norma cleans 12 pools in...

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