作业帮 > 英语 > 作业

6、Al and bill live at apposite ends of the same street.Al ha

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/10/01 22:23:43
6、Al and bill live at apposite ends of the same street.Al had to deliver a parcel at bill’s home,Bill one at Al's home.they started at the same moment,each walked at constant speed and returned home immediately after leaving the parcel at its destination.they met the first time at the distance of a yard from Al's home and the second time at the distance of b yards from Bill's home.
⑴how long is the street?(2)if a=300 and b=400,who walk faster?
AL和Bill住在街的两端,AL要送一个包裹给BILL,而BILL也要送一个包裹给AL,他们同时出发,都以固定的速度,送完包裹后立刻回家.他们在距AL家a的地方第一次相遇,在距Bill家b的地方第二次相遇,
1.这条街有多长?
2.如果a=300 .b=400 ,谁走的更快?