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7 May, 10:18

Ann, Jim, and Miguel sent a total of 115

text messages during the weekend. Jim sent 10

more messages than Ann. Miguel sent 3

times as many messages as Ann. How many messages did they each send?

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Answers (1)
  1. 7 May, 13:50
    0
    Ann: 21

    Jim: 31

    Miguel: 63

    Let's start by finding Ann's number.

    a + (a + 10) + 3a = 115

    5a + 10 = 115

    5a = 115 - 10

    5a = 105

    a = 105 / 5

    a = 21

    Now, just find the others' numbers using Ann's.

    Jim sent ten more messages than Ann, and 21 + 10 = 31.

    Miguel sent 3 times as many messages as Ann, and 21 * 3 = 63.
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