For a batch of goods, car a will transport it in 18 hours, car B will transport 1 / 3 of the goods in 8 hours, if car a will transport it in 10 hours first, How many hours will it take for B to transport the rest?

For a batch of goods, car a will transport it in 18 hours, car B will transport 1 / 3 of the goods in 8 hours, if car a will transport it in 10 hours first, How many hours will it take for B to transport the rest?

(1-10 / 18) / (1 / 3 / 8) = 10 and 2 / 3