求解九年级英语智力题!快!说为什么!
1.Trousersonsalefor1/2pricehaveagreentah.Shirtsonsalefor1/4offhaveayellowtag.Stephenboughttwogreen-taggedtrousersoriginallypricedat10dollarseach,andoneyellow-taggedshirtorginallypricedat16dollarsHowmuchdidhepayforhistrousersandshirt?
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