29.) Robbie Decided To Decorate His Room. The Total Area Of The Walls Was…

29.) Robbie decided to decorate his room. The total area of the walls was 78 sq m. If one roll of wallpaper can cover 5 sq m of the wall, how many rolls of wallpaper did Robbie need? Express your answer as a decimal rounded to the nearest tenths.​

Step-by-step explanation:

To find the number of rolls Robbie needs, divide the total area of the walls by the coverage of one roll of wallpaper.

number of rolls = total wall area/coverage per roll

number of rolls= 78 sq m/, 5 sq m/roll

Number of rolls≈15.6

Rounded to the nearest tenth, Robbie would need approximately 15.6 rolls of wallpaper. However, since you can’t have a fraction of a roll, you would typically round up to ensure you have enough wallpaper. Therefore, Robbie would need 16 rolls of wallpaper.

(Omg)

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