
Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman
Edition 7ISBN: 978-1285448596
Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman
Edition 7ISBN: 978-1285448596 Exercise 45
Solve the following increase or decrease problems for the unknown. Round decimals to hundredths and percents to the nearest tenth.
According to the U.S. Census Bureau, in 1950, 39.3 million families had a child under 18 at home. A recent study found that number had decreased by 9.4 percent. How many families had a child under 18 at home according to this study? Round the number of millions to the nearest tenth.
According to the U.S. Census Bureau, in 1950, 39.3 million families had a child under 18 at home. A recent study found that number had decreased by 9.4 percent. How many families had a child under 18 at home according to this study? Round the number of millions to the nearest tenth.
Explanation
Rate of change formula:
Here, the rate...
Contemporary Mathematics for Business and Consumers 7th Edition by Robert Brechner ,George Bergeman
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