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Laura decides to walk to her job. She walks 112
1
1
2
miles in 35
3
5
hour.

a. What is Laura's walking rate in miles per hour?



b. Laura's job is 412
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 in time? Explain your answer.