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algebra

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euros are currency used in several european countries. on one day in october 2005, you could exchange $3 for about 2.5 euros. how many dollars would you have needed to get 8 euros.

  • algebra - ,

    3/2.5 = x/8

    Cross multiply and solve for x.

    2.5x = 24
    x = 24/2.5
    x = 9.60

  • algebra - ,

    set up ratio
    3/2.5 = x/8
    2.5x = 24
    x = 9.6

    $9.60 for 8

  • algebra - ,

    opo

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