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math magicians charges a $45 registration fee plus $30per hr. tutoring fee.math master charges a $25 registration fee plus $35 per hr. tutoring fee. how many hours of tutoring would it take to math magicians cheaper than math masters?
 Jan 29, 2012

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 #1
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It would take 4 hours to match the price and 5 hours for it to be cheaper.
 Jan 30, 2012
 #2
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I'm good at math:

It would take 4 hours to match the price and 5 hours for it to be cheaper.


how do you get this answer? Can you show me please
 Jan 30, 2012
 #3
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[input]45+x*30=25+x*35[/input]
 Jan 30, 2012

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