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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 64
Set up and solve equations for each of the following business situations.
A regular lightbulb uses 20 watts less than twice the power of an energy-saver lightbulb. If the regular bulb uses 170 watts, how much does the energy-saver bulb use?
A regular lightbulb uses 20 watts less than twice the power of an energy-saver lightbulb. If the regular bulb uses 170 watts, how much does the energy-saver bulb use?
Explanation
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Given that a regular light bul...
Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman
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