SOLUTION: A substance length doubles every hour. At 2pm it was 3meters. What was the length at 11am at that same day? A) 0.375 B)0.5 C)0.75 D)1meter

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Question 1143589: A substance length doubles every hour. At 2pm it was 3meters. What was the length at 11am at that same day?
A) 0.375
B)0.5
C)0.75
D)1meter
Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
.

It was  3%2A%281%2F2%29%5E3 = 3%2F8 = 0.375 meters long.