英语翻译A fitness center purchased a number of exercise machines
英语翻译
A fitness center purchased a number of exercise machines:4 costing $1700 each,8 costing $1300 each,and x costing $1200 each,where x is a positive odd integer.If the median price for all the exercise machined purchased by the fitness center was $1300,what is the greatest possible value of
这是08年1月的真题``答案是11.请帮我翻译题目,并写出如何解答的步骤.我知道这题应该不难``只是不知道哪里搞错就是得不出11这个答案.
我的答案也是16！但这是真题、应该不会有这种问题的```
A fitness center purchased a number of exercise machines:4 costing $1700 each,8 costing $1300 each,and x costing $1200 each,where x is a positive odd integer.If the median price for all the exercise machined purchased by the fitness center was $1300,what is the greatest possible value of
这是08年1月的真题``答案是11.请帮我翻译题目,并写出如何解答的步骤.我知道这题应该不难``只是不知道哪里搞错就是得不出11这个答案.
我的答案也是16！但这是真题、应该不会有这种问题的```
赞 jzq100 幼苗
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my answer is 16 which is definitely not in accordance with condition"positive odd integer." hope someone else can work it out...
I get it.we misunderstood the meaning of median price ,it doesn't mean everage price.this particular question seems like Statistics question.
the answer:
possible A1:
1700 1700 1700 1700 1300 1300 (1300) 1300 1300 1300 1300 1300 1300 x=0 minimum
1700 1700 1700 1700 1300 1300 %1300% 1300 1300 1300 1300 1300 1200 x=1
.
1700 1700 1700 1700 1300 1300 1300 1300 1300 1300 1300 %1300% 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 up to x=11
It's not a simple algebra question but a easy Statistics question!
I get it.we misunderstood the meaning of median price ,it doesn't mean everage price.this particular question seems like Statistics question.
the answer:
possible A1:
1700 1700 1700 1700 1300 1300 (1300) 1300 1300 1300 1300 1300 1300 x=0 minimum
1700 1700 1700 1700 1300 1300 %1300% 1300 1300 1300 1300 1300 1200 x=1
.
1700 1700 1700 1700 1300 1300 1300 1300 1300 1300 1300 %1300% 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 up to x=11
It's not a simple algebra question but a easy Statistics question!
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