1.Jim's brother's age is two third of Jim's age,and Jim's si

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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?

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?
列方程式易求解得出,他姐姐20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?
实际上8小时后店关门了,即人全走光了,8*100=800人

1.Jim's brother's age is two third of Jim's age,and Jim's si Jim' s mother' s brother is Jim' s _____ . 初中英语错题1.is that -dictionary?A Jim”s brother”sB Jim”s brother Jim's( ) is red mary and jim’s和mary’s and jim’s Jim's birthday is on the____ of May.(two) Gina is grandmother A Jim and Anna B Jim's and Anna's C Jim Jeff and Helen are Jim,s p .Jim is 英语翻译These two rooms are a Tom and Jim's bTom's and Jim cTom' Tom is a boy of eight .He and Jim are in the s( ) class .Jim Is the little boy （Jim）brother?That's Lily and that‘s Lucy.T Lucy is ( )Jim's bike.