The population of a town increased from 620 to 700. What is the percent of increase?

Question

The population of a town increased from 620 to 700. What is the percent of increase?

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Jade 4 weeks 2021-12-29T08:15:30+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-12-29T08:16:52+00:00

    Answer:

    I got 12.9%

    Step-by-step explanation:

    I am doing an assignment right now and I have asked my teacher about this question many times. We did the question together and got 12.9%.

    0
    2021-12-29T08:16:55+00:00

    To find the percent increase, we divide the amount of change by the original number. The amount of change is the difference between the 2 numbers which in this case is 700 – 620 and the original number is 620.

    So we have \frac{700 - 620}{620}

    700 – 620 is 80 so we’re left with \frac{80}{620} which is 0.129.

    Finally, since our problem is asking for a percent, we write 0.129 as a percent by moving the decimal point 2 places to the right to get 12.9%

    So when the population of a town changes from 620 to 700, it has increased by 12.9%.

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