# Workhorses

A team of colleagues done the work in 20 days. After adding 2 colleagues from the beginning the work was completed in 15 days. How many members has the colleague team?

Result

n =  6

#### Solution:

20n=15(n+2)

5n = 30

n = 6

Calculated by our simple equation calculator.

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#### To solve this example are needed these knowledge from mathematics:

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

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