Mathematics, 19.01.2021 07:10 cw112400
Sara and Keith were able to vacuum the house in 8 hours together. It takes
Keith 12 hours to vacuum the house alone. Without help, how long
would it take Sara to vacuum the house?
Answers: 3
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Sara and Keith were able to vacuum the house in 8 hours together. It takes
Keith 12 hours to vacuum...
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