Answer
42
Work Step by Step
3,7,12,18, 25,33
we can see that 12 = 7 + (7-3) + 1
18 = 12 + (12-7) +1
so next number is= 33 + (33-25) +1 =42
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 1 - Problem Solving and Critical Thinking - 1.1 Inductive and Deductive Reasoning - Exercise Set 1.1 - Page 11: 25
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