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March 25, 2017

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Magazine sales. Henry sold 120 magazine subscriptions in
x days.
a) Write a rational expression for the rate at which he sold
the subscriptions.
b) Suppose that he continues to sell at the same rate for
5 more days. Write a rational expression for the number
of magazines sold in those 5 days.

  • Algebra - ,

    rate of magazines sold per day
    = total number sold/number of days
    = 120/x

    so in 5 days wouldn't it be 5 times that?

  • Algebra - ,

    Thanks so much so the problem would look like this
    120x=x
    and the second would look like this
    120x=5*x

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