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23 October, 04:02

The distance between Joshua's home and school is 800 m. Joshua takes 5 min to walk

the first 100 m to a Convenient Store nearby. He would spend 10 min in the store to

complete his purchase. Finally, he takes another 20 min to reach school. What is his

average speed in m/s?

+4
Answers (1)
  1. 23 October, 06:17
    0
    = 0.38 m/s

    Step-by-step explanation:

    ▪Total distance = 800 m

    5 min = 100 m

    ▪Remaining distance = 800 - 100 = 700 m

    20 min = 700 m

    ▪Total time taken = 20 + 10 + 5 = 35 min

    If 1 min = 60 sec

    What about 35 min = ?

    = 35 x 60

    = 2100 sec

    ▪Average speed = TD : TT

    = 800 : 2100

    = 0.38 m/s
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Home » Mathematics » The distance between Joshua's home and school is 800 m. Joshua takes 5 min to walk the first 100 m to a Convenient Store nearby. He would spend 10 min in the store to complete his purchase. Finally, he takes another 20 min to reach school.
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