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A whole number p satisfies: the successor of p, added to the predecessor of p, equals 1234.
What is the value of p?

Class 6Successor and PredecessorWhole Numbers

A617
B1234
C557
D677

Step-by-Step Solution

Successor of

p = p + 1

, predecessor of

p = p - 1

. Their sum =

(p + 1) + (p - 1) = 2 p = 1234

, so

p = 617

.

Answer: A) 617

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