XxGabbyxX XxGabbyxX
  • 20-02-2015
  • Mathematics
Answered

A number r decreased by 13 is at most 15



Answer :

iGreen
iGreen iGreen
  • 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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