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14) If 15 painters can paint the wall in 2 hours, how many painters can do the same job in 5 hours?

NONSENSE REPORT​


Sagot :

Appying a pure unitary method.

1 painter can paint 4 walls in 2/6 hours.

1 painter can paint 1 wall in 2/(6×4) = 1/12hours.

4 painter can paint 1 wall in (1/12)×4 = 1/3 hours.

4 painters can paint 8 walls in (1/3)×8 = 2.66 hours.