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21 April, 12:11

Does anyone know how to solve 81 increased to 90?

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Answers (2)
  1. 21 April, 12:26
    0
    That seems an odd way of wording the question. Do you mean 81+x=90? In other words, what number can you add to 81 to get 90. You can also switch it around so 90-81=x.

    81+x=90

    x=90-81

    x=9
  2. 21 April, 12:29
    0
    89+90=171. keep in mind that increased or increased by means to add
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