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18 July, 21:50

While on a train trip, Marsha noticed that there were 35 people in her train car. After the next stop, there were only 21 people in her car. If p represents the percent decrease in the number of people in Marsha's train car, what is p?

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  1. 18 July, 22:13
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    40%

    Step-by-step explanation:

    To find a percent, divide the part by the total and multiply by 100.

    To find the part, subtract 21 from 35 to find the people who left.

    35 - 21 = 14

    (14/35) * 100 = p

    .4 * 100 = p

    40 = p
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