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At a football stadium,
20% of the fans in attendance were teenagers. If there were 390 teenagers at the football stadium, what was the total number of people at the stadium?
Answer:

At a football stadium, $20 \%$ of the fans in attendance were teenagers. If there were $390$ teenagers at the football stadium, what was the total number of people at the stadium? $\newline$ Answer:

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Experimental probability

Full solution

Q. At a football stadium,

20 \%

of the fans in attendance were teenagers. If there were

390

teenagers at the football stadium, what was the total number of people at the stadium?

\newline

Answer:

Set up proportion: To find the total number of people at the stadium, we need to understand that the $390$ teenagers represent $20\%$ of the total attendance. We can set up a proportion where $20\%$ (or $0.20$ in decimal form) of the total number of people (which we'll call $T$ ) is equal to $390$ . $0.20 \times T = 390$
Solve for T: Now we need to solve for $T$ by dividing both sides of the equation by $0.20$ . $\newline$ $T = \frac{390}{0.20}$
Perform division: Performing the division gives us the total number of people at the stadium. $T = 1950$

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