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11 December, 09:10

Jessica runs 8 2/3 miles in 4/3 of an hour. What is her speed? (rate)

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  1. 11 December, 09:30
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    6.5miles per hour ~ 6½ miles per hour

    Step-by-step explanation:

    First convert the distance Jessica ran from a mixed number to a improper fraction:

    8⅔ equals 26/3.

    Since this a unit rate problem divide the miles by the time traveled.

    26/3 (miles) : ¾ (hour). When you divide a number by a fraction use (Keep-Change-Flip).

    26/3 * 4/3 = 26/4 miles/hour.

    Convert improper fraction to mixed number by dividing 26 by 4.

    = 6.5miles / hour. or 6½miles/hour
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