作业帮 > 英语 > 作业

1.Laila's savings in a bank is $40 .Every end of the week,La

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/07/08 15:09:15
1.Laila's savings in a bank is $40 .Every end of the week,Laila always draws $3 from her saving,At the same time ,Tina always deposit (存款)$2.4 into her saving ,After how many weeks will Laila's saving be $6more than Tina's saving?
2.I plan to to travel by car fromn city A to city B .I travel the first half of the distance wiwh the speed of 30km/hour,what speed should I take for the second half of the distance?
3.一辆汽车和一辆摩托车同时从甲乙两地相对开出,汽车每小时行65千米,摩托车每小时行40千米,当汽车行到两地中点处时,与摩托车还相距75千米,甲乙两地相距多少千米?
甲乙两地相距390KM,汽车和摩托车使用时间相同,假设时间为t,那么65t=40t+75,t=3小时,距离就为65*3*2=390km