Posted by **alanaR.** on Thursday, August 26, 2010 at 11:41pm.

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

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