## Related questions with answers

Question

A hummingbird in flight beats its wings at a rate of 70 times per second. How many times does it beat its wings in an hour if it is in flight 70% of the time?

Solution

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Step 1

1 of 2$\dfrac{70\text{ times}}{1\text{ sec}} \times \frac{3600 \text{ sec}}{1 \text{ h}} \times 0.7 = 176400 \text{ times}.$

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