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20-02-2015
Mathematics

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A number r decreased by 13 is at most 15

Respuesta :

20-02-2015

r - 13 <= 15

Add 13 to both sides:

r <= 28

Note '<=' is less than or equal to.

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Аноним Аноним

20-02-2015

the answer is r is less than or equal to 28

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