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Chapter 2: Q28. (page 115)
Solve each proportion. If necessary, round to the nearest hundredth.
The value is .
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The circle graph at the right shows the results of a survey that asked, "How likely is it that you will be rich some day?" If the margin of error is what is the range of the percent of teens who say it is very likely that they will be rich?
Evaluate each expression.
Which one doesn't belong? Identify the equation that does not belong with the other three. Explain your reasoning.
localid="1642580736988"
DVD A company that replicates DVDs spends \(1500 per day in building overhead plus \)0.80 per DVD in supplies and labor. If the DVDs sell for $1.59 per disk, how many DVDs must the company sell each day before it makes a profit?
State whether each percent of change is a percent of increase or a percent of decrease. Then find the percent of change. Round to the nearest whole percent.
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