Mathematics, 20.09.2019 19:30 leo4687
Sophie and simon are peeling a pile of potatoes for lunch in the cafeteria. sophie can peel all the potatoes by herself in 45 minutes, while it would take simon 30 minutes to do the job working alone. if sophie and simon work together to peel the potatoes, how long will it take them?
Answers: 1
per minute (if we multiply this by 30 we have the completed job)
of the job per minute (again if we multiply this by 45 we have the completed job)
of the job per minute.
, we can put this in one equation like this:
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Sophie and simon are peeling a pile of potatoes for lunch in the cafeteria. sophie can peel all the...
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