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An emperor penguin made 460 dives in 12 hours. At this rate, how many dives did the penguin make in 3 hours?
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An emperor penguin made 460 dives in 12 hours. At this rate, how many dives did the penguin make in 3 hours?

User FalloutBoy
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2 Answers

6 votes
This question is ratio based.
So 460:12
? : 3
To get from 12 to 3, you divide by 4 (3 is 1/4 of 12)
So...
Divide 460 by 4 too
460/4 = 115 dives in 3 hours
User Scuro
by
8.5k points
4 votes
Proportionality, assuming constant rate. 460 dives/12 hours = x dives/3 hours. Solve for x.
User Carl Sharman
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8.2k points
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