Question 499229
The sum of the numbers on two adjacent post office boxes is 697, What are the numbers?
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Let x = first box number
then because the second is adjacent:
x+1 = adjacent box number
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x + x+1 = 697
2x+1 = 697
2x = 696
x = 348
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adjacent box:
x+1 = 348+1 = 349
.
answer: 349 and 348