waiting4yououts waiting4yououts
  • 02-03-2018
  • Mathematics
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Does anyone know how to solve 81 increased to 90?

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lacilefler2121 lacilefler2121
  • 02-03-2018
89+90=171. keep in mind that increased or increased by means to add
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Teddy17
Teddy17 Teddy17
  • 02-03-2018
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
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