Mark M. answered • 02/10/17
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t represents the time needed if both paint.
t/9 + t/4 = 1
Can you solve for t?
Melanie P.
asked • 02/10/17Sally can paint a room in 9 hours while it takes Steve 4 hours to paint the same room. How long would it take them to paint the room if they worked together?
Sally can paint a room in 99 hours while it takes Steve 44 hours to paint the same room. How long would it take them to paint the room if they worked together?
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