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20 May, 10:21

Given the speeds of each runner below, determine who runs the fastest.

Adam runs 9 feet per second.

Noah runs 164 feet in 14 seconds.

Jake runs 1 mile in 412 seconds.

Katie runs 845 feet in 1 minute.

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  1. 20 May, 14:20
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    Katie

    Step-by-step explanation:

    lets convert all the speeds to ft/1 sec

    V adam: 9ft/sec

    V noah: 164ft/14sec

    164/14=11.7142857143 = around 11.7 ft/sec

    V jake: 1 mile/412 sec

    1 mile = 5280 ft

    5280 ft/412 sec=

    5280/412=12.8155339806 = around 12.8 ft/sec

    V katie: 845ft/min

    minute=60 sec

    845ft/60sec=

    845/60=14.0833333333 = around 14.1 ft/sec

    now lets order the velocities (speeds) from least to greatest:

    V adam: 9ft/sec, V noah: 11.7 ft/sec, V jake: 12.8 ft/sec, V katie: 14.1 ft/sec

    thus, Katie is the fastest runner
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