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16 August, 23:22

David's bowling score is 5 less than 3 times Aaron's score. The sum of their score is 215. Find the score of each student. Write and solve an equation for this problem.

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  1. 16 August, 23:33
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    David's score = 160; Aaron's score = 55

    Step-by-step explanation:

    let Aaron's score be 'x'.

    so, David's score will be 3x - 5

    (3x - 5) + x = 215

    3x + x - 5 = 215

    4x = 215 + 5

    4x = 220

    x = 220/4

    x = 55

    therefore, Aaron's score = 55

    David's score is (3x - 5) = (3*55) - 5 = 165 - 5 = 160
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