jaackiee1 jaackiee1

16-03-2017
Mathematics

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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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TheOneWhoKnocks767 TheOneWhoKnocks767

16-03-2017

Proportionality, assuming constant rate. 460 dives/12 hours = x dives/3 hours. Solve for x.

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VampireJellyfish VampireJellyfish

16-03-2017

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

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