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
