Emily leaves her house at exactly 8:25 AM to bike to her school which is 3.42 miles away when she passes the post office which is 3/4 mile away from her home. She looks at her watch and sees it is 30 seconds past 8 20 9 AM.
If Emily ‘s school starts at 8:50 AM, can Emily make it to school on time without increasing her rate of speed and or explain that it works necessary to support your answer?
Yes, Emily can make it to school on time without increasing her rate of speed. Since she passed the post office at 8:25 AM, she has already traveled 3/4 mile of the 3.42 mile journey. This means she has 2.68 miles left to travel to reach her school.
Emily has 30 seconds past 8:25 AM to reach her school by 8:50 AM, which is a total of 25 minutes or 1500 seconds. At her current rate of speed, Emily is able to bike 3.42 miles in less than 25 minutes, so she will reach her school on time.
Therefore, Emily does not need to increase her speed in order to make it to school on time.