Ameliamarie2001 Ameliamarie2001

03-04-2014
Mathematics

contestada

A phone company uses the equation y=0.15x+10 to find y the monthly charge for a customer sending x text messages. How many text messages are sent if the monthly charge is $77.50?

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luwamthebomb luwamthebomb

19-04-2014

y=0.15.77.5+10 y=11.62+10 y=21

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