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book Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman cover

Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman

النسخة 7الرقم المعياري الدولي: 978-1285448596
book Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman cover

Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman

النسخة 7الرقم المعياري الدولي: 978-1285448596
تمرين 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?
التوضيح
موثّق
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Percentage formula:
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Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman
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