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Posted by on Wednesday, February 25, 2009 at 6:22pm.

How do you solve this:

A 20-ounce bag of popcorn costs $2,80. If the unit price stays the same, how much does a 35-ounce bag of popcorn cost?

  • Math - , Wednesday, February 25, 2009 at 6:28pm

    One way to solve this is by setting up a proportion and cross multiplying.

    20 / 2.8 = 35 / x

    Or you could figure the cost per ounce.

    20 / 2.8 = ??

    Multiply your answer by 35.

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