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题目:张师傅要把98吨沙子运到工地上,现有两种规格的货车可以租用,大卡车每次运8吨,运费是160元;小卡车每次运5吨,运费是110元。问:张师傅怎样租车最省钱?运费最少需要多少元?
Title: Master Zhang wants to transport 98 tons of sand to the site. Two types of trucks are available for hire. Each truck carries 8 tons of freight and the freight cost is 160 yuan. Small trucks carry 5 tons of freight each time and the freight cost is 110 yuan. Q: Zhang how to rent a car the cheapest? Shipping at least how many dollars?