Use mathematical induction to prove the statements.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.2: Mathematical Induction
Problem 46E: Use generalized induction and Exercise 43 to prove that n22n for all integers n5. (In connection...
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Use mathematical induction to prove the statements.

17. Prove that any amount of postage greater than or equal to 12 cents can be built using only 4-cent
and 5-cent stamps.
18. Prove that any amount of postage greater than or equal to 14 cents can be built using only 3-cent
and 8-cent stamps.
19. Prove that any amount of postage greater than or equal to 64 cents can be built using only 5-cent
and 17-cent stamps.

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