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15 August, 18:19

Caleb and Jeremiah go to the movie theater and purchase refreshments for their

friends.

Caleb spends a total of $78.25 on 7 bags of popcorn and 2 drinks.

Jeremiah spends a total of $59.75 on 1 bag of popcorn and 10 drinks.

Write a system of equations that can be used to find the price of one bag of popcorn

and the price of one drink.

Using these equations, determine and state the price of a bag of popcorn, to the

nearest cent.

+5
Answers (1)
  1. 15 August, 21:09
    0
    price of each bags of popcorn = $9.75

    price of each drinks = $5

    Step-by-step explanation:

    Let

    price of each bags of popcorn = a

    price of each drinks = b

    Caleb total cost

    7a + 2b = 78.25 ... (i)

    Jeremiah total cost

    a + 10b = 59.75 ... (ii)

    7a + 2b = 78.25

    a + 10b = 59.75

    a = 59.75 - 10b

    insert the value of a in equation (i)

    7a + 2b = 78.25

    7 (59.75 - 10b) + 2b = 78.25

    418.25 - 70b + 2b = 78.25

    418.25 - 68b = 78.25

    418.25 - 78.25 = 68b

    340 = 68b

    b = 340/68

    b = 5

    Insert the value of b in equation (ii)

    a + 10b = 59.75 ... (ii)

    a + 10 * 5 = 59.75

    a = 59.75 - 50

    a = 9.75

    price of each bags of popcorn = $9.75

    price of each drinks = $5
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