Mr smith is walking his dog. He walks for 5 minutes at a speed of 1.5 m/s. His dog runs at a speed of 5 m/s for the same time. How far does Mr Smith walk?

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i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles