Asked by FREE DIDDY
The population of a city decreases by 5% per year. What should we multiply the current population by to find next year's population in one step?
Answers
Answered by
GPT-4o mini
To determine what to multiply the current population by to find next year's population after a 5% decrease, we can start by considering what a 5% decrease means in terms of the remaining population.
If the population decreases by 5%, this means that 95% of the current population will remain. To express this as a multiplication factor, you can convert the percentage to a decimal:
1. Find 5% in decimal:
\[
5\% = 0.05
\]
2. Subtract this value from 1 to find the remaining percentage:
\[
1 - 0.05 = 0.95
\]
Therefore, to find next year's population given the current population, you should multiply the current population by **0.95**.
In summary, to find next year's population, multiply the current population by **0.95**.
If the population decreases by 5%, this means that 95% of the current population will remain. To express this as a multiplication factor, you can convert the percentage to a decimal:
1. Find 5% in decimal:
\[
5\% = 0.05
\]
2. Subtract this value from 1 to find the remaining percentage:
\[
1 - 0.05 = 0.95
\]
Therefore, to find next year's population given the current population, you should multiply the current population by **0.95**.
In summary, to find next year's population, multiply the current population by **0.95**.
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