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The centreville city council conducts a survey to find out how many people would be willing to donate money to update the town's library. they randomly select 200 people for the survey, and 80 people say they would donate. if 9,800 people live in centreville, about how many people would likely donate?
a. 122
b. 280
c. 3,920
d. 5,880

Answer :

(C) 3,920 people would likely donate.

What is the percentage?

  • A percentage (from Latin per centum "by a hundred") is a number or ratio stated as a fraction of 100 in mathematics.
  • It is frequently symbolized with the percent sign, " percent ".
  • A % is a dimensionless (pure) number; it does not have a unit of measurement.

To find about how many people would likely donate:

First, find 80 is what percent of 200.

∴  [tex]\frac{80}{200} * 100 = 40%[/tex]

So, 80 is 40% of 200.

Centreville population is 9,800.

Now, take out 40% of 9,800.

[tex]\frac{x}{9,800} *100 = 40\\\frac{x}{98} =40\\98*40 = 3,920[/tex]

Therefore, (C) 3,920 people would likely donate.

Know more about percentage here:

https://brainly.com/question/24304697

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