A clock ticks once every second. How many ticks will it make in 3 minutes and 15 seconds?
Answer
195
The correct answer is 195 — State the total ticks: .
Step-by-step solution
- Convert the minutes to seconds: seconds.
- Add the remaining seconds: seconds.
- Since the clock ticks once per second, the number of ticks equals the number of seconds.
- State the total ticks: .
Common mistake: Misconverting minutes to seconds or adding seconds incorrectly
Concept tested: Time conversion and multiplication
Published · How this solution was prepared and checked
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