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26 November, 13:25

Four friends compared there bike riding times. Jess rode 4.25 km in 20 min. Corey rode 3.75 km in 18 min. Mia rode 3.5 km in 17 min. Zoey rode 3.6 km in 16 min.

Who rode at the greatest rate of speed?

A.

Jess

B.

Corey

C.

Mia

D.

Zoey

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Answers (1)
  1. 26 November, 13:38
    0
    Jess rode 4.25 km in 20 min.

    Speed = 4.25: 20 = 0.212 km/min

    Corey rode 3.75 km in 18 min.

    S = 3.75 : 18 = 0.208

    Mia rode 3.5 km in 17 min.

    S = 3.5 : 17 = 0.205

    Zoey rode 3.6 km in 16 min.

    S = 3.6 : 16 = 0.225

    The greatest rate of speed : ZOE with 0.225 km/min
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