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12345 [234]
3 years ago
9

It would take john 6 hours to paint a room by himself. It would take Tom 18 hours to paint the same room by himself. Of john and

tom work together, each at his individual rate, how many hours will it take the to paint the room.
Mathematics
2 answers:
mario62 [17]3 years ago
6 0

Answer:

12 hrs

Step-by-step explanation:

6+18 =24

24/2 = 12

Daniel [21]3 years ago
3 0

Answer: 4h 30min

Step-by-step explanation: Theoretically, if X= Number of hours required to paint the room,

X(1/6+1/18)=1

X(3/18+1/18)=1

X(4/18)=1

X(2/9)=1

2/9X=1

X=9/2h, or 4 1/2 h

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<h3>Solving Linear equations </h3>

From the question, we are to determine the value of x

From the given diagram, we can write that

m ∠SOR + m ∠UOR + m ∠TOU = 180° (<em>Sum of angles on a straight line</em>)

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