A town has a population of 20,000 and grows at 4.5% every year how long will it be in to the population is 42,800
1 answer:
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For this case, the first thing we must do is define variables.
We have then:
x: number of years
y: total change in time (seconds)
We now write the equation that models the problem.
We know that each year the time decreases by 8 seconds.
Therefore, the equation is:
For the year number 5 we have:
Answer:
the total change in time is 40 seconds