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85问答库 > 1、某中学组织初一学生春游，原计划租用45座客车若干辆，但有15人没有座位；如果租用同样数量的60座客车，

1、某中学组织初一学生春游，原计划租用45座客车若干辆，但有15人没有座位；如果租用同样数量的60座客车，

2025-03-26 03:33:24

推荐回答（1个）

回答1：

解:(1)设有x辆客车,根据题意,列方程
45x+15=60(x-1)
45x+15=60x-60
15x=75
x=5
60*(5-1)=60*4=240(人)
答:初一年级人数是240人
(2)当60座客车有1辆时,需要45座客车4辆,费用为300*1+220*4=300+880=1180元
当60座客车有4辆时,费用为300*4=1200(元)
所以租用1辆60座客车和4辆45座客车时,最合算,费用为1180

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