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What belongs in each mystery box?
Every mystery box holds the same value. Make the two sides balance.
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When the price of a good rises by 5%, the quantity demanded falls by 15%. Calculate the absolute value of the price elasticity of demand (|PED|).
Divide percentage change in quantity demanded by percentage change in price to find |PED|.
0 of 4 solved in this round
Featured, challenges & worksheets in Time & money
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Convert an amount in USD into a foreign currency using a given exchange rate.
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Calculate the compounded value of an investment over two annual compounding periods.
Nominal vs real interest & inflation
Use the Fisher approximation (real ≈ nominal − inflation) to find the inflation-adjusted return.