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algebra1

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an internet serive provider charges $9.95/month for the first 20 hours and $0.50 for each additonal hour. write and expression presenting the charges for h hours of use in one month h is more than 20 hours. what is the charge for 35 hours... pls show me the formula to work this out

  • algebra1 -

    9.95+.5h
    9.95+.5(20)=?

  • algebra1 -

    The problem says the hours will always be over 20. The charge for the first 20 hours is $9.95. All the hours after 20 are $0.50 each.
    h = total monthly hours
    cost = $9.95 + (h - 20)x $0.50
    Plug in 35 for h and what do you get?

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