Joanie wants to mail a package that requires $1.23 in postage. If she has only 5-cent and 7-cent stamps, what is the smallest number of stamps she could use that would total exactly $1.23?

# Joanie wants to mail a package that requires $1.23 in postage. If she has only 5-cent and 7-cent stamps, what is the smallest number of stamps she could use that would total exactly $1.23?

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Joanie wants to mail a package that requires $1.23 in postage. If she has only 5-cent and 7-cent stamps, what is the smallest number of stamps she could use that would total exactly $1.23?

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