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Translate & solve the percent problems below.
40% of what number is 68?
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1. Introduction to Macroeconomics
Percentage and Decimal Review
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A city's population grew from 120,000 to 138,000 people in one year. What is the percent increase in population?
A
0.15%
B
15%
C
13%
D
0.13%
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Identify the initial population and the final population. Here, the initial population is 120,000 and the final population is 138,000.
Calculate the absolute increase in population by subtracting the initial population from the final population: \(\text{Increase} = 138,000 - 120,000\).
Find the percent increase by dividing the increase by the initial population: \(\text{Percent Increase} = \frac{\text{Increase}}{120,000}\).
Convert the decimal result into a percentage by multiplying by 100: \(\text{Percent Increase} \times 100\).
Interpret the result as the percent increase in population over the one-year period.
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