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GarryVolchara [31]
3 years ago
9

Tickets to a movie cost $7.25 for adults and $5.50 for students. a group of friends purchased 8 tickets for $52.75. How many adu

lt tickets and student tickets were purchased.
Mathematics
1 answer:
lilavasa [31]3 years ago
4 0

5 adult tickets and 3 student tickets were purchased.

Step-by-step explanation:

Given,

Cost of one adult ticket = $7.25

Cost of one student ticket = $5.50

Total tickets purchased = 8

Total amount spent = $52.75

Let,

Number of adult tickets = x

Number of student tickets = y

According to given statement;

x+y=8     Eqn 1

7.25x+5.50y=52.75    Eqn 2

Multiplying Eqn 1 by 5.50

5.50(x+y=8)\\5.50x+5.50y=44.00\ \ \ Eqn\ 3

Subtracting Eqn 3 from Eqn 2

(7.25x+5.50y)-(5.50x+5.50y)=52.75-44.00\\7.25x+5.50y-5.50x-5.50y=8.75\\1.75x=8.75

Dividing both sides by 1.75

\frac{1.75x}{1.75}=\frac{8.75}{1.75}\\x=5

Putting x=5 in Eqn 1

5+y=8\\y=8-5\\y=3

5 adult tickets and 3 student tickets were purchased.

Keywords: linear equation, subtraction

Learn more about linear equations at:

  • brainly.com/question/1554024
  • brainly.com/question/1560475

#LearnwithBrainly

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