3 years ago

Does anyone know how to solve 81 increased to 90?

Mathematics

2 answers:

statuscvo [17]3 years ago

7 0

89+90=171. keep in mind that increased or increased by means to add

earnstyle [38]3 years ago

5 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

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