If Jim Roller can paint a room in 3 hours while John Brush would take 4 hours, how long will they take if they work together? 1/
1 answer:
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Answer: The number of rolls of paper is .
Step-by-step explanation: Given that Andy is hanging wallpaper in his kitchen. 6 rolls of wallpaper is used to cover of the walls.
We are to find the number of rolls of paper used per wall.
We will be using unitary method to solve the given problem.
We have,
Now, number of rolls used to cover of the walls = 6.
Therefore, number of rolls used to cover 1 wall is given by
Thus, rolls of paper used per wall.