39 Complex Math Problem 復雜的數(shù)學題
I couldn't decide whether to go to Salt Lake City or Denver for vacation, so I called the airlines to get prices. “Airfare to Denver is $300,” the salesperson replied. “And what about Salt Lake City?” “We have a really great rate to Salt Lake—$99,” she said. “But there is a stopover.” “Where?” “In Denver,” she said.
我不能決定到底是到鹽湖城還是到丹佛市去度假,所以打電話到航空公司去問問票價。售票員說:“到丹佛市去的機票價300美元。”“那到鹽湖城去的呢?”她說:“我們有優(yōu)惠價99美元到鹽湖城。不過途中要停一下。”“在哪里停?”“在丹佛市。”