Painting

Joseph with Fero painted the bench for four hours. How many hours would it take to work if four friends helped him?

Result

x = 1:20 h Wrong answer

Step-by-step explanation:


4·2 = (2+4)·x

6x = 8


x = 8/6 = 1.33333333

x = 4/3 ≈ 1.333333

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