学校组织170名队员参加 夏令营,共租了5辆车,恰好坐满,大小车各几辆
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/21 22:07:29
①由分析知,该校报名参见活动的总人数为:25÷50%=50(人)[或15÷30%=50(人)];②报名参加乙组的人数为:50-15-25=10(人).条形统计图如下:故答案为:50,25÷50%,10
DearEditor,IhavejoinedanEnglishsummercamprecentlybutIamverydisappointedbecausetheorganiserdidn'tkeep
题目不完整再问:哪儿?再答:大客车:座位数(个):每天租金(元):小客车:座位数(个):每天租金(元)????再问:这个是我不知道的再答:啊?学校利用暑假组织四年级120名学生和5名教师参加夏令营活动
设租用小帐篷X个,大帐篷Y个.则列出如下方程组.10x+22y=120①设租用帐篷总花费为z元.z=60x+100y②一式带入二式可得到z=720-32y③由三式可知y取最大时花费最小.若全部租用大帐
InBeijingforfivedays:TheveneratedChinesehistoryhasstrewnthelandofBeijingwithsitesofculturalandhistor
...接上iamamiddleschoolstudent,MynameisTom,iamfromNo1middleschool.iwanttojionthisactivitybecauseiwantt
DearChairman,IamLiHua,astudentofNO.1middleschoolofChangSha,Hunanprovince.Ilearnfromtheinternetthatth
DearEditor,IhavejoinedanEnglishsummercamprecentlybutIamverydisappointedbecausetheorganiserdidn'tkeep
Apossibleversion:DearSir/Madam,IhavejustreturnedfromtheEnglishSummerCampatyourSchoolofLanguage,andI’
答:400÷365=1.1至少有2人同一天过生日.400÷12=33.3至少有34人在同一个月过生日.
设女生人数为x人,男生人数为y人.根据题意得x-5=y+52(y-4)=x+4化简得x-y=102y-x=12解得x=32y=22答:略
30×(1-20%)×36=864老师付1000元,不仅够,还要找回136元.
总共有30+6=36(人)原来需要36×30=1080(元)打折后要1080×(1-20%)=864(元)而1000大于864答:我认为够了.
Hello,Iamzhang,IhopeIcanjoinintotheUnitedStatesthisactivity,andIwishIlivedinafriendlyfamily.Myhobbyi
假设大车有x辆那么小车就是5-x辆40x+25(5-x)=17040x+50-25x=170得到x=3那么大车有3辆小车有2辆很高兴为您解答,祝你学习进步!有不明白的可以追问!
iamamiddleschoolstudent,MynameisTom,iamfromNo1middleschool.iwanttojionthisactivitybecauseiwanttoimpr
DearprincipalI'dliketojointhesummercamp"comeintotheAmericanfamily"andmyreasonsareasfollows.Tobeginwi
(1)甲:(1200+600x)元乙:{过程:[0.6×1200×(x+1)]元=}答案:[720(x+1)]元(2)1200+600x480x>4