Wreckage 46913

It takes Maťko 12 hours to clear the wreckage, and his friend Kubko only 8 hours. Kubko started cleaning the quarry only after Maťko had already been working on the quarry for two hours. When did Maťko and Kubek finish cleaning the quarry when Maťko started at 8:00?

Result

x = 14:00 Wrong answer

Step-by-step explanation:

1/12 (x8.00)+1/8 (x10.00)=1  5x=70  x=570=14  x=14=14:00



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