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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 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?
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?
Explanation
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Given that a letter carrier can deliver ...
Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman
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