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21 August, 07:45

A bag contains purple marbles and yellow marbles, 30 in total. The number of purple marbles is 6 more than 3 times the number of yellow marbles. How many purple marbles are there?

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Answers (2)
  1. 21 August, 10:38
    0
    Number of yellow marbles = 6

    Number of purple marbles = 24

    Step-by-step explanation:

    Number of yellow marbles = x

    Number of purple marbles = 3x + 6

    Total marbles = 30

    x + 3x+6 = 30

    4x + 6 = 30

    4x = 30 - 6

    4x = 24

    x = 24/4

    x = 6

    Number of yellow marbles = 6

    Number of purple marbles = 3 * 6 + 6 = 18 + 6 = 24
  2. 21 August, 10:52
    0
    96

    Step-by-step explanation:

    30*3+6

    30 yellow marbles and 3 times the # of yellow + 6=

    96
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