SOLUTION: Karen can mow the lawn in 15 min. Her friend Kim can mow the lawn in 10 min. If they work together, how many minutes will they take to mow the lawn?
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Question 754836: Karen can mow the lawn in 15 min. Her friend Kim can mow the lawn in 10 min. If they work together, how many minutes will they take to mow the lawn?
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
the rates add like this:
so that t=6hrs
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