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March 29, 2017

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The number of Sophomores who eat lunch in the caeteria is about three-fouths the number of Freshmen. If there are 60 more Freshemen than Sophomores, how may Sophomores eat lunch in the caafeteria?

  • math - ,

    S = .75F

    F - S = 60

    Substitute .75F for S in second equation and solve for F. Insert that value into the first equation and solve for S. Check by inserting both values into the second equation.

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