Painting

Jožko with Fero painted the bench for four hours. How many hours would take work if four friends help him?

Result

x = 1:20 h Wrong answer

Solution:


4*2 = (2+4)*x

6x = 8

x = 4/3 ≈ 1.333333

Calculated by our simple equation calculator.








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To solve this example are needed these knowledge from mathematics:

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