When a bricklayer works himself to redeem the house in 8 days, the other bricklayer will be finished in 10 days. How long will it take to make 3 such houses together?

Correct result:

x =  13.3333 d


x1=118+110=4094.4444 d  x=3 x1=3 4.4444=403=13.3333 d

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