问两道英语奥数题
1.Jim'sbrother'sageistwothirdofJim'sage,andJim'ssister'sageisthreefourthsmovethanJim'...
1. Jim's brother's age is two third of Jim's age, and Jim's sister's age is three fourths move than Jim's. We know Jim's brother's age is 8, how old is Jim's sister?
2. A shop opens at 10:00 am and closes at 6:00 pm. About 100 customers enter into this shop per hour averagely, and about 20customers will leave the shop per half hour averagely. Then this day, the shop opens at 10:00 am as usual, please count how many customers left in the shop after 9 hours? 展开
2. A shop opens at 10:00 am and closes at 6:00 pm. About 100 customers enter into this shop per hour averagely, and about 20customers will leave the shop per half hour averagely. Then this day, the shop opens at 10:00 am as usual, please count how many customers left in the shop after 9 hours? 展开
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1。吉姆弟弟的年龄是他的2/3,吉姆姐姐的年龄比他大3/4,我们知道他弟弟8岁,那他姐姐几岁?
2。一家商店在上午10点开门下午6点关门。每小时平均100名顾客来这家商店,每半小时平均200名离开。那么今天这家商店象往常一样上午10点开门营业,在9个小时后有多少顾客离开这家商店?
2。一家商店在上午10点开门下午6点关门。每小时平均100名顾客来这家商店,每半小时平均200名离开。那么今天这家商店象往常一样上午10点开门营业,在9个小时后有多少顾客离开这家商店?
参考资料: 个人
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是翻译还计算
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