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[Problem Solving]

试题详情

题目:

 AMOUNT OF BACTERIA PRESENT
Time
Amount
1:00 P.M.
10.0 grams
4:00 P.M.
x grams
7:00 P.M.
14.4 grams
Data for a certain biology experiment are given in the table above.  If the amount of bacteria present increased by the same fraction during each of the two 3-hour periods shown, how many grams of bacteria were present at 4:00 P.M.?

选项:

A、12.0
B、12.1
C、12.2
D、12.3
E、12.4

答案:

A

提问:

ps题,如何从问题的题目读出此题考核的是类似于复利计算的题

解答:

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阅读2205
解答: sysadmin

提问:

14.4=10*(1+R)^2 这个R是怎么算出来的,数学基础不好,请指教。。

解答:

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阅读2258
解答: sysadmin老师

提问:

ps题,如何从问题的题目读出此题考核的是类似于复利计算的题

解答:

点赞0
阅读2206
解答: sysadmin老师

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