AFA.NR.2.1
Use fractions, decimals, percents, and ratios to solve problems related to budgets, income tax rates, payroll deductions, pie charts, percent yield, sales tax, percent populations, rent increase, cost savings, debt-to-income ratios, stock splits, floor plans and scale models, trigonometric calculations, banking services, and other business and financial applications.
Example Problems
An estimated 3 out of every 25 men are left-handed.
What percent of men are left-handed?
What percent of men are left-handed?
In a cookie jar, 8 out of the 20 cookies have chocolate chips.
What percentage of the cookies have chocolate chips?
What percentage of the cookies have chocolate chips?
In our solar system, 6 of the 8 planets have moons.
What percentage of the planets have moons?
What percentage of the planets have moons?
Khan Academy ResourcesWarmup: exponential vs. linear growthExponential growth vs. decayGraphing exponential growth & decayGraphs of exponential growthExponential vs. linear modelsExponential vs. linear growth over timeLinear vs. exponential growth: from dataGraphing exponential growth & decayGraphs of exponential growthLinear vs. exponential growth: from dataExponential decay introExponential vs. linear models: verbalModeling with basic exponential functions word problemLinear vs. exponential growth: from data (example 2)

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