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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 49
Solve the following word problems for the unknown. Round decimals to hundredths and percents to the nearest tenth when necessary.
A letter carrier can deliver mail to 112 homes per hour by walking and 168 homes per hour by driving.
a. By what percent is productivity increased by driving?
b. If a new ZIP Code system improves driving productivity by 12.5%, what is the new number of homes per hour for driving?
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Given that a letter carrier can deliver ...

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