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March 1, 2015

Homework Help: Integers

Posted by Rock on Thursday, April 15, 2010 at 3:55am.

Suppose a1, a2, . . . , an is a list of n numbers with the following properties:
The sum of those n numbers is 500.
The sum of the smallest three of those numbers is 48.
The sum of the largest two of those numbers is 35.
(Note: There might be some repetitions among the numbers ak in that list.)
(a) What are the possible values of n ? Explain your reasoning.
(b) Can each of those values of n occur if we require all the numbers ak to be integers?

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