Contemporary Mathematics for Business & Consumers

8th Edition

ISBN: 9781305886803

Author: Brechner

Publisher: Cengage

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Unitary Method

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The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.

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Textbook Question

Chapter 6.III, Problem 1RE

Solve the following increase or decrease problems for the unknown. Round decimals to hundredths and percents to the nearest tenth.

If a number increases from 320 to 440, what is the rate of increase?

Portion = Increase = 440 - 320 = 120

Base = Original number = 320

R = P B = 120 320 = .375 = 37.5 %

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Chapter 6.III, Problem 22TIE

Chapter 6.III, Problem 2RE

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Chapter 6 Solutions

Contemporary Mathematics for Business & Consumers

Ch. 6.I - Convert the following percents to decimals. a. 27%...Ch. 6.I - Convert the following decimals or whole numbers to...Ch. 6.I - Prob. 3TIE Ch. 6.I - Prob. 4TIE Ch. 6.I - Convert the following percents to decimals. 1. Ch. 6.I - Prob. 2RE Ch. 6.I - Prob. 3RE Ch. 6.I - Prob. 4RE Ch. 6.I - Prob. 5RE Ch. 6.I - Prob. 6RE

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Solve the following increase or decrease problems for the unknown. Round decimals to hundredths and percents to the nearest tenth. If a number increases from 320 to 440, what is the rate of increase? Portion = Increase = 440 - 320 = 120 Base = Original number = 320 R = P B = 120 320 = .375 = 37.5 %

Solution Summary: The author explains the formula used to determine the rate of increase or decrease.

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Chapter 6 Solutions