Answer
It is 43% pennies.
Work Step by Step
Add 15 + 14 + 6 to get 35 coins total. Divide the # of pennies by this number and multiply by 100.
Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)
by Timberlake, Karen C.
Published by
Prentice Hall
ISBN 10:
0321908449
ISBN 13:
978-0-32190-844-5
Chapter 1 - Section 1.4 - Key Math Skills for Chemistry - Questions and Problems - Page 17: 1.20c
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