SOLUTION: Alan took 4 hours to tile the floor of a room. Gary took 6 hours to tile the floor of the same room. If they worked together, how long would they take to tile the floor of the room

Question 972584: Alan took 4 hours to tile the floor of a room. Gary took 6 hours to tile the floor of the same room. If they worked together, how long would they take to tile the floor of the room
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Add their rates of working to get their rate working together
Alan's rate:
[ 1 floor tiled ] / [ 4 hrs ]
Gary's rate:
[ 1 floor tiled ] / [ 6 hrs ]
------------------------
Let = time in hrs to tile floor
with both working together

Multiply both sides by

convert hrs to minutes

---------------
Working together, it will take them 2 hrs and 24 min to tile floor
---------------
check:

close enough

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