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The population of a city decreases by 2.2% per year. What should we multiply the current population by to find next year's population in one step? Answer:

The population of a city decreases by 2.2% 2.2 \% per year. What should we multiply the current population by to find next year's population in one step?\newlineAnswer:

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Full solution

Q. The population of a city decreases by 2.2% 2.2 \% per year. What should we multiply the current population by to find next year's population in one step?\newlineAnswer:
  1. Subtract percentage from 100100: To find the multiplier that represents a 2.2%2.2\% decrease, we need to subtract 2.2%2.2\% from 100%100\% to see what percentage of the population will remain.\newlineCalculation: 100%−2.2%=97.8%100\% - 2.2\% = 97.8\%
  2. Convert percentage to decimal: Now we need to convert the percentage to a decimal to use it as a multiplier.\newlineCalculation: 97.8%=97.8100=0.97897.8\% = \frac{97.8}{100} = 0.978

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