High School

The school that Stephan attends is selling tickets to a choral performance.

- On the first day of ticket sales, the school sold 45 senior tickets and 15 child tickets for a total of $405.
- On the second day, the school sold 52 senior tickets and 15 child tickets, taking in $461.

Find the prices of one senior ticket and one child ticket.

Answer :

Final answer:

The price of one senior ticket is $8, and the price of one child ticket is $3. This conclusion is reached by setting up and solving a system of linear equations derived from the two days of ticket sales data provided.

Explanation:

To find the prices of one senior ticket and one child ticket from the information given, we need to set up a system of linear equations based on the two days of ticket sales.

Let x represent the price of a senior ticket and y represent the price of a child ticket.

From the first day, we have the equation 45x + 15y = 405 since 45 senior tickets and 15 child tickets were sold for a total of $405.

From the second day, we have the equation 52x + 15y = 461 since 52 senior tickets and 15 child tickets were sold for a total of $461.

To solve this system, first multiply the first equation by -1 to help eliminate y:

  1. -1(45x + 15y) = -1(405) leads to -45x - 15y = -405
  2. Add this to the second equation: (-45x - 15y) + (52x + 15y) = (-405) + 461 which simplifies to 7x = 56
  3. Divide both sides by 7 to find x: x = 56 / 7, which gives x = 8

Now that we have the price of a senior ticket, we can substitute x = 8 back into the first equation (45x + 15y = 405):

  • 45(8) + 15y = 405
  • 360 + 15y = 405
  • 15y = 405 - 360
  • 15y = 45
  • y = 45 / 15
  • y = 3

Therefore, the price of one senior ticket is $8 and the price of one child ticket is $3.

Learn more about System of Linear Equations here:

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