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A collection of coins contains 15 pennies, 12 dimes, and 7 quarters. What is the percentage of pennies in the collection? Express your answer to two significant figures and include the appropriate units.
asked
Aug 26, 2017
Chemistry
high-school
1
answer
2
votes
81.2k
views
which groups of people contributed to fall of the western roman empire?Britons, Egyptians, Greeks, Huns, Vandals, Visigoths
asked
Aug 22, 2017
History
high-school
2
answers
3
votes
171k
views
What was the main difference between French conservatives and liberals following the congress of Vienna
asked
Mar 12, 2016
History
high-school
2
answers
4
votes
104k
views
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