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Word Problem

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Martha can rake the leaves in her yard in 2 hours. Her brother can do the job in 8 hours. How long will it take them to do the job working together?

  • Word Problem - ,

    Together, in an hour, they do (1/2+1/8)=5/8 of the job.
    So they will finish the job in (8/5)=1 3/8 hours = 1h22.5 min.

  • Word Problem - ,

    Emily can rake her lawn in 5 hours. Andrew can rake the same lawn in 8 hours. Rounded to the nearest hour, how long will the job take if they work together?

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