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    Angel Love 1's Avatar
    Angel Love 1 Posts: 2, Reputation: 1
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    #1

    Aug 2, 2009, 08:30 PM
    Math 1
    Write a proportion that is equivalent to the statement: If 3 gallons of gasoline cost $5.37, then 8 gallons will cost $14.32.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #2

    Aug 2, 2009, 09:26 PM

    The whole trick is to keep the same units on the numerator and denominator and have them be related.

    gallons1/dollars1 = gallons2/dollars2

    fill in the numbers

    Now if they want an equation for the cost of n gallons, that's something different
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