Chapter 6, Problem 48AT

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8th Edition

Robert Brechner + 1 other

ISBN: 9781305585447

Textbook Problem

Use the chart “The Rise of E-Books in Education” for Exercises 47-49.

What were the sales of education e-books in 2009 if they were 10.3% higher than 2008? Round to the nearest tenth of a million.

To determine

**To calculate:** The amount of sales of education e-books in

Explanation

**Given Information:**

The sales were

**Formula used:**

Steps for computing percentage problems;

Step1: Recognize the two known values and the unknown value.

Step2: Pick the formula that solves the unknown value.

Step3: Solve the equation by putting the known values for the letters in the formula.

The formula to compute portion is;

**Calculation:**

Consider that the original value or the base is

As the rate of change is an increase, hence add that change to

Hence rate is

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