Companies 4156

Company A mows the meadow in ten hours. Company B will cut the meadow with dynamite in six hours. How many hours would these companies mow two meadows if they worked together?

Correct answer:

t =  7.5 h

Step-by-step explanation:

10t+6t=2  t/10+t/6=2  8t=60  t=860=7.5  t=215=7.5=7.5 h

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