英语类 英数题
问题描述:
英语类 英数题
A village is going to build a 320-meter-long dam within 8 days.16 workers built 96 meters within 3 days.According to this calculation,how many workers should be added?
答
一个村庄要在8天之内建一座320米长的大坝.已知16个工人3天可以建好96米.那么根据此,还要加多少工人?
96/3/16 =2 (米)一个工人每天能修2米. 320/8/2=20 (个) 工人, 所以还需要加4个工人.
祝你学习进步.