Four workers

Four workers will lay the floor of the gym in six hours. After an hour of working together, one of the workers left to the doctor. How long before the remaining three workers finish their work?

Result

t = 6:40 h Wrong answer

Solution:


4*6 = 4*1 + 3*t

3t = 20

t = 203 ≈ 6.666667

Calculated by our simple equation calculator.







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Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation? Most natural application of trigonometry and trigonometric functions is a calculation of the triangles. Common and less common calculations of different types of triangles offers our triangle calculator. Word trigonometry comes from Greek and literally means triangle calculation.

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