Alex sent 45 Snapchat messages in 3 hours. Calculate Alex's unit rate of sending messages per hour.
Understand the Problem
The question is asking us to calculate the rate at which Alex sends Snapchat messages, specifically the number of messages sent per hour, based on the total messages sent and the duration in hours.
Answer
The unit rate is \( 15 \) messages per hour.
Answer for screen readers
The unit rate at which Alex sends Snapchat messages is ( 15 ) messages per hour.
Steps to Solve
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Identify the total messages and time Alex sent a total of 45 messages over a duration of 3 hours.
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Set up the unit rate formula To find the unit rate (messages per hour), use the formula: $$ \text{Unit Rate} = \frac{\text{Total Messages}}{\text{Total Hours}} $$
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Substitute the values into the formula Plug in the values: $$ \text{Unit Rate} = \frac{45 \text{ messages}}{3 \text{ hours}} $$
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Calculate the unit rate Perform the division: $$ \text{Unit Rate} = 15 \text{ messages per hour} $$
The unit rate at which Alex sends Snapchat messages is ( 15 ) messages per hour.
More Information
This calculation shows Alex's efficiency in sending messages. Knowing the unit rate can be useful in understanding communication habits and time management.
Tips
- Incorrectly dividing total messages by total hours. Ensure you are using the correct numbers for both values.
- Not simplifying the answer correctly. Always double-check that the division yields a whole number in this context.
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