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chubhunter [2.5K]
3 years ago
15

Anna is selling tickets to the school's gymnastics competition. On the first day, she sells 5 adult tickets and 6 child tickets

for a total of $58.00. On the second day, she sells 8 adult tickets and 11 child tickets for a total of $97.00. Which system of linear equations can be used to determine the cost of each adult ticket (x) and each child ticket (y)?
Mathematics
2 answers:
Lorico [155]3 years ago
7 0

The cost of each adult ticket is $11.43

The cost of each child ticket is $0.14

<u>Step-by-step explanation:</u>

Given,

  • The cost of each adult ticket = x
  • The cost of each child ticket = y

On the first day,

Anna sells 5 adult tickets and 6 child tickets for a total of $58.00.

⇒ 5x + 6y = 58  ----------(1)

On the second day,

she sells 8 adult tickets and 11 child tickets for a total of $97.00.

⇒ 8x + 11y = 97  ----------(2)

<u>Solving the equations for x and y values :</u>

Multiply eq (1) by 8,

Mu;tiply eq (2) by 5 and subtract it from eq (1),

  40x + 48y = 484

- (<u>40x + 55y = 485</u>)

  <u>        - 7y = - 1     </u>

⇒ y = 1/7

⇒ y = 0.14

The cost of each child ticket is $0.14

Substitute y = 0.14 in eq (1),

⇒ 5x + 6(0.14) = 58

⇒ 5x + 0.84 = 58

⇒ 5x = 58 - 0.84

⇒ 5x = 57.16

⇒ x = 57.16 / 5

⇒ x = 11.43

The cost of each adult ticket is $11.43

Kay [80]3 years ago
4 0

Answer:

For USA TESTPrep A.) 5x + 6y = 58

8x + 11y = 97

x = adult ticket price; y = child ticket price

number of tickets(price of each) = total amount

first day total → 5x + 6y = 58

second day total → 8x + 11y = 97

Step-by-step explanation:

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John is selling tickets to an event. Attendees can either buy a general admission ticket, x,
Masteriza [31]

John sold 18 general admission tickets and 11 VIP tickets.

Step-by-step explanation:

Given,

Cost of each general admission = $50

Cost of each VIP ticket = $55

Total tickets sold = 29

Total revenue generated = $1505

Let,

x represent the number of general admission tickets sold

y represent the number of VIP tickets.

x+y=29     Eqn 1

50x+55y=1505   Eqn 2

Multiplying Eqn 1 by 50

50(x+y=29)\\50x+50y=1450\ \ \ Eqn\ 3

Subtracting Eqn 3 from Eqn 2

(50x+55y)-(50x+50y)=1505-1450\\50x+55y-50x-50y=55\\5y=55

Dividing both sides by 5

\frac{5y}{5}=\frac{55}{5}\\y=11

Putting y=11 in Eqn 1

x+11=29\\x=19-11\\x=18

John sold 18 general admission tickets and 11 VIP tickets.

Keywords: linear equation, elimination method

Learn more about elimination method at:

  • brainly.com/question/1232765
  • brainly.com/question/1234767

#LearnwithBrainly

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