Mathematics, 27.07.2019 18:30 jordivivar74

Lisa can shovel snow from her driveway in 65 minutes. tom can do the same job in 55 minutes. how long would it take lisa and tom to shovel the driveway if they worked together?

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Lisa can shovel snow from her driveway in 65 minutes. tom can do the same job in 55 minutes. how lon...

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