Question

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Part 1
Erica runs at a constant speed of 3.6 meters per second for one half
hour.​ Then, she walks at a rate of 1.5 meters per second for one half
hour. How far did Erica run and walk in 60 ​minutes?
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Part 1
Erica ran and walked
  
enter your response here meters.
​(Type an integer or a​ decimal.)

Answer 1

Distance = (3.6 m/s)(1800 s) + (1.5 m/s)(1800 s) = 6480 m + 2700 m = 9180 m.