Davi walks from her house to the bus stop every day. She leaves her house at 06:52 and reaches the bus stop at 07:15. How long does Davi take to walk from her house to the bus stop... Davi walks from her house to the bus stop every day. She leaves her house at 06:52 and reaches the bus stop at 07:15. How long does Davi take to walk from her house to the bus stop?
Understand the Problem
The question asks us to find the duration it takes for Davi to walk from her house to the bus stop, given her departure and arrival times. We need to calculate the time difference to determine the walking time.
Answer
23 minutes
Answer for screen readers
23 minutes
Steps to Solve
- Convert departure and arrival times to minutes since midnight. Converting the times to a single unit (minutes) simplifies the subtraction.
Departure Time: 06:52 is $(6 \times 60) + 52 = 360 + 52 = 412$ minutes. Arrival Time: 07:15 is $(7 \times 60) + 15 = 420 + 15 = 435$ minutes.
- Subtract the departure time (in minutes) from the arrival time (in minutes). This will give us the duration of the walk in minutes
$435 - 412 = 23$ minutes.
23 minutes
More Information
It takes Davi 23 minutes to walk to the bus stop.
Tips
A common mistake is to try to subtract the times in hours and minutes without converting to a single unit. This can lead to errors if you need to borrow from the hours. For example, trying to do 07:15 - 06:52 directly can lead to confusion with borrowing. Converting to minutes avoids this.
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