Respuesta :

therealflick123

Answer:

2 hours

Step-by-step explanation:

Given that the slow crew does the job in x/8 hours and fast in x/6

Equation:

x/6 + x/8 = 1 <------------1 because there is one job to be done

8x + 6x = 48

24x = 48

x = 2

It will take both groups working together 2 hours

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