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Translate & solve the percent problems below.
18 is what percent of 24?
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1. Introduction to Macroeconomics
Percentage and Decimal Review
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A smartphone originally costs \$800 but is now sold for \$680. Determine the percent decrease in price.
A
Percent discount = 15%
B
Percent discount = 0.15%
C
Percent discount = 18%
D
Percent discount = 17.6%
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Identify the original price and the new price of the smartphone. Here, the original price is \$800 and the new price is \$680.
Calculate the amount of decrease in price by subtracting the new price from the original price: \(\text{Decrease} = 800 - 680\).
Use the formula for percent decrease: \(\text{Percent Decrease} = \left( \frac{\text{Decrease}}{\text{Original Price}} \right) \times 100\).
Substitute the values into the formula: \(\text{Percent Decrease} = \left( \frac{800 - 680}{800} \right) \times 100\).
Simplify the expression to find the percent decrease (do not calculate the final numeric value here, just set up the expression).
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