MasaL637992 MasaL637992
  • 03-11-2022
  • Mathematics
contestada

David can paint 3 rooms in 7 hours. At the same pace how long would it take him to paint 8 rooms?

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JocilynK425590 JocilynK425590
  • 03-11-2022

Answer

It will take David 18.67 hours or 18 hours, 40 minutes to paint 8 rooms.

Explanation

We are asked to calculate the number of hours it'll take David to paint 8 rooms.

Let the number of hours David will take to paint 8 rooms be x

David can paint 3 rooms in 7 hours.

3 rooms = 7 hours

8 rooms = x hours

We can form a mathematical relationship by cross multiplying

3 × x = 8 × 7

3x = 56

Divide both sides 3

(3x/3) = (56/3)

x = 18.67 hours = 18 hours, 40 mins

Hope this Helps!!!

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