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Renee took 3 minutes to walk from school to the store. She walked another 675 m at a speed of 75 m/min from the store to the library. Renee walked a total distance of 834 m

a: Find the total time taken for the journey
b: Find renee's average speed for the whole journey

1 answer

time = distance/speed, so she walked for
3 + 675/75 = 3+9 = 12 min
avg speed = totaldistance/totaltime = 834/12 = 69.5 m/min
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