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9 March, 08:50

At the afternoon matinee movie, 3 adult tickets and 5 child tickets cost $44, and 5 adult tickets and 3 child tickets cost $52. Which two equations can be used to determine the price of each ticket? Let x represent the cost of an adult ticket and y represent the cost of a child ticket.

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Answers (2)
  1. 9 March, 08:54
    0
    x = $8

    y = $4

    Step-by-step explanation:

    x = cost of an adult ticket

    y = cost of child ticket

    Firstly, 3 adult tickets and 5 child tickets cost $44

    That's 3x + 5y = 44

    Also, 5 adult tickets and 3 child tickets cost $52

    That's 5x + 3y = 52

    Now combine both equations.

    1. 3x + 5y = 44

    2. 5x + 3y = 52

    Multiply equation one by 5 and equation two by 3

    We have

    5 x 3x + 5 x 5y = 5 x 44

    3 x 5x + 3 x 3y = 3 x 52

    We have

    15x + 25y = 220

    15x + 9y = 156

    Subtract equation 2 from 1

    16y = 64

    Divide both sides by 16

    16y/16 = 64/16

    y = 4

    Now substitute 4 for y in any of the equations to get x. Using equation one, we have

    3x + 5 (4) = 44

    3x + 20 = 44

    Subtract 20 from both sides

    3x + 20 - 20 = 44 - 20

    3x = 24

    Divide both sides by 3

    x = 24/3

    x = 8

    Therefore, adult's ticket cost $8 while children's ticket cost $4
  2. 9 March, 09:03
    0
    3x+5y=44

    5x+3y=52

    then create a system of equations
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