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10 January, 07:15

Irene is training for the 200-meter dash. Yesterday she ran the dash in 31 37/100 seconds. Her goal is to run the dash in 28 1/10 seconds. By how many seconds must Irene reduce her time in order to reach her goal?

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  1. 10 January, 08:49
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    3 27/100

    Step-by-step explanation:

    set up an equation

    31 37/100-a = 28 1/10

    a = 3 27/100
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