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Four distinct integers a, b, c and d have the property that when added in pairs, the sums 16, 19, 20, 21, 22, and 25 are obtained. What are the four integers in increasing order?
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Four distinct integers a, b, c and d have the property that when added in pairs, the sums 16, 19, 20, 21, 22, and 25 are obtained. What are the four integers in increasing order?

User Arelius
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1 Answer

5 votes

Answer: The four integers are: 6,8,11 and 14

Explanation:

The attachments below contains step-by-step explanations of the guessing and checking approach that would be used to arrive at the answer.

The calculations on the attachments is from left to right.

Four distinct integers a, b, c and d have the property that when added in pairs, the-example-1
Four distinct integers a, b, c and d have the property that when added in pairs, the-example-2
User Gregoryp
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