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Mathematics 18 Online
OpenStudy (anonymous):

Set up a proportion for the following situation. If it costs $12 to buy 5 pounds of grapes, how much will you have to pay to buy 9 pounds?

OpenStudy (anonymous):

how dod i write the equation ? how do i set it up ?

OpenStudy (anonymous):

12/5 will reduce to the cost per pound, so (12/5)*9 is the cost for 9 pounds. You can rewrite this as (12*9)/5.

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