Question
Sally can paint a room in 9 hours while it takes Steve 7 hours to paint the same room How long would it take them
Sally can paint a room in 9 hours while it takes Steve 7 hours to paint the same room How long would it take them to paint the room if they worked together It would take hours Simplify your answer Type an integer or a fraction
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Discrete Mathematics Elementary And Beyond
Authors: L Lovasz, J Pelikan, K L Vesztergombi
1st Edition
6610010021, 9786610010028
