SOLUTION: nowshin can do the dinner dishes in 1/4 hour.while her sister naurin can do the dinner dishes in 1/2 hour.what part of an hour would it take if they worked together?

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Question 1101915: nowshin can do the dinner dishes in 1/4 hour.while her sister naurin can do the dinner dishes in 1/2 hour.what part of an hour would it take if they worked together?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Rate combined if working together:

1%2F%281%2F4%29%2B1%2F%281%2F2%29
4%2B2
6, or six sets of dinner dishes in 1 hour.

nowshin and naurin would do ONE set of dinner dishes, only needing not 6, but 1%2F6 of the hour.

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