Garden

Father dig up the garden in 9 hours. Son in 13 hours. How many hours take dig up the garden together?

Correct answer:

x =  5.3182 h

Step-by-step explanation:


x/9+x/13 = 1

22x = 117

x = 117/22 ≈ 5.318182

Our simple equation calculator calculates it.



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