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    Word Problem for Algebra- Race Time. The equation R=0.028t+20.8 can be used to predict the world record in the 200mdash, where R is the record in seconds and t is the number of years since 1920. In what year will the record be 18.0 seconds?

    0  Views: 1299 Answers: 1 Posted: 13 years ago

    1 Answer

    The year in which the record will be 18 seconds is:


    18 = 0.028*t+20.8


    -2.8 = 0.028*t


    t = -100


    does it mean that the year is 1820??



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