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6/26 San Jose JJ

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楼主
发表于 2009-6-27 14:15:00 | 只看该作者

6/26 San Jose JJ

I only remember very few JJ. Please forgive me I lost my memory.

1. SC

I can't give your guys the complete sentance. I just remember the choices.

(1) What the conclusion scientists have come to is

(2) What scientists have concluded is

I chose the second one. Other choices are not right.

2. SC

It is the comparison sentences

xxxxxxxxxxxxx than they were at the end of the eighteenth century.

(1)xxxxxx than they were

(2) xxxxxx than they had been

Math

A parcel of  lemonnade bottles include 5 bottles, the cost for a parcel lemonade is $0.5, the profit for each bottle lemonade is 200% of the cost of a parcel lemonade. 5 bottles all sell out. Ask how much the price of a bottle Lemonade?

I wish everybody has a good luck.

沙发
发表于 2009-6-27 15:54:00 | 只看该作者

A parcel of  lemonnade bottles include 5 bottles, the cost for a parcel lemonade is $0.5, the profit for each bottle lemonade is 200% of the cost of a parcel lemonade. 5 bottles all sell out. Ask how much the price of a bottle Lemonade?

x=price of one bottle, cost of each bottle =0.5/5=0.1

x - 0.1 = 0.1*5*2

=> x=$ 1.1 

板凳
发表于 2009-6-27 21:07:00 | 只看该作者

感謝!我個人以為第一題選2,第二題選1,不知道LZ第二題看法?

地板
发表于 2009-6-27 21:22:00 | 只看该作者
以下是引用racing78在2009-6-27 21:07:00的发言:

感謝!我個人以為第一題選2,第二題選1,不知道LZ第二題看法?

我也觉得是.

5#
 楼主| 发表于 2009-6-28 15:23:00 | 只看该作者

I just remeber another MATHJJ.

There have 50 students to take Spanish test, the median score is 74. There have 24 students with the average score 86 above the median score, and 21 students with the average score 60 below the median score. Ask the average score of the 50 students. The number may be not accurate. you just know how to figur out the question.

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