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4 December, 14:35

The sum of three numbers is 72. One number is two times 10 and another number is three times 10. What is the third number?

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Answers (2)
  1. 4 December, 14:47
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    The third number is 22 because 30 plus 20 is 50 and than subtract 72 from 50
  2. 4 December, 14:57
    0
    2*10 + 3*10 = 50 = 20 + 30

    so then we can subtract 50 from 72

    50 - 72 = 22 so the other number is 22
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