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Homework Help: maths

Posted by chirag on Tuesday, February 12, 2013 at 6:30am.

If x and y satisfy the conditions that 23≤x≤45 and −54≤y≤−32, what is the maximum possible value of x−y?

• maths - Reiny, Tuesday, February 12, 2013 at 7:40am

  for x-y to be a maximum, x must be as large as possible and y must be as small as possible
  x-y
  = 45 - (-54) = 99
  

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