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Mathematics, 10.03.2020 11:16 AdoNice

Spencer can do 3 oil changes in 1 hour. Preston can do 5 oil changes every hour. If they work together how long
would it take them to do 24 oil changes?

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Spencer can do 3 oil changes in 1 hour. Preston can do 5 oil changes every hour. If they work togeth...
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