7th grade math counts

Mathematics
Tutor: None Selected Time limit: 1 Day

Ellie can paint a room in 2 hours, and Diedre can paint the same room in 4 hours. How many minutes will it take Ellie and Diedre, working together, to paint the room?

Feb 8th, 2015

1/2 + 1/4=3/4 of the room is painted by the two in an hour

therefore, the two will take

1/(3/4)=1 1/3 hrs

they will take one and a third hours

Feb 8th, 2015

In the book witch of blackbird pond what was the nature of Kit's final convo with Willam? 

Nov 7th, 2015

In the book witch of blackbird pond what was the nature of Kit's final convo with Willam? 

Nov 7th, 2015

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Feb 8th, 2015
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Feb 8th, 2015
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