Laura's job is 4 1/2 miles away. if she starts walking to her job at 9: 00 a. m. and is scheduled to start working at 11: 00 a. m., will she arrive at her job on time? explain your reasoning.

Laura has to walk at 2 1/4 miles per hour or faster to arrive to her job on time.

Step-by-step explanation:

1. Let's review the data given to us for solving the question:

Distance from Laura's home to her job = 4 1/2 miles

Time when Laura starts to walk to her job : 9:00 a.m.

Time when Laura is scheduled to start working : 11:00 a.m.

2.  Will she arrive at her job on time?

Time Laura has to complete the distance from her home to her job = 2 hours (11 -9)

Speed that Laura need to walk to arrive to her job on time = Distance from Laura's home to her job/Time Laura has to complete the distance from her home to her job

Speed that Laura need to walk to arrive to her job on time = 4 1/2 miles/2 hours = (4 1/2)/2 = (9/2)/2 = 9/2 * 1/2 = 9/4 = 2 1/4

Speed that Laura need to walk to arrive to her job on time = 2 1/4 miles per hour.

Laura has to walk at 2 1/4 miles per hour or faster to arrive to her job on time.

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step-by-step explanation: