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21 October, 12:21

Mikasi and Julie are determining which size sports drink is the better buy per ounce: a 16-ounce bottle for $1.95 or a 36 ounce bottle for $3.05. Who is correct? Explain.

Mikas: 16-oz bottle: 12.2¢ per ounce

36-oz bottle: 8.5¢ per ounce

Julie: 16-oz bottle : 8.2¢ per ounce

36-oz bottle: 11.8¢ per ounce

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  1. 21 October, 16:17
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    The answer is

    Mikas: 16-oz bottle: 12.2¢ per ounce

    36-oz bottle: 8.5¢ per ounce

    To calculate price per ounce, we will use the proportion:

    16 ounces : $1.95 = 1 ounce : x

    Crossing the products:

    x = $1.95 * 1 ounce : 16 ounces

    x = $0.122 = 12.2¢

    So, 16-oz bottle is 12.2¢ per ounce.

    Similarly:

    36 ounces : $3.05 = 1 ounce : x

    Crossing the products:

    x = $3.05 * 1 ounce : 36 ounces

    x = 0.085 = 8.5 ¢

    So, 36-oz bottle is 8.5¢ per ounce.

    It can be concluded that Mikas was correct.
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