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Sagot :
1/6+1/8=1/x
1/6*(6*8*x)+1/8(6*8*x)=1/x(6*8*x)
8x+6x=48
14x=48
divide each by 14
x=48/14
x= 3.43 roughly
1/6*(6*8*x)+1/8(6*8*x)=1/x(6*8*x)
8x+6x=48
14x=48
divide each by 14
x=48/14
x= 3.43 roughly
Robert paints 1/6 of a room in an hour.
Julio paints 1/8 of a room in an hour.
Working together, they can paint (1/6 + 1/8) room/hour =
(4/24 + 3/24) room/hour =
7/24 of a room per hour.
7/24 of a room per hour means
24 hours / 7 rooms =
(24 / 7) (hour/room) = (3 and 3/7) hour per room.
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