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Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman
Edition 7ISBN: 978-1285448596Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman
Edition 7ISBN: 978-1285448596 Exercise 120
Solve the following word problems for the unknown. Round decimals to hundredths and percents to the nearest tenth when necessary.
By what percent is a 100-watt lightbulb brighter than a 60-watt bulb?
By what percent is a 100-watt lightbulb brighter than a 60-watt bulb?
Explanation
Verified
Verified
Percentage formula:
First identify th...
Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman
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