SOLUTION: Write linear equation for phone company A has an intital monthly charge of $25.75 for providing their services and charges 30 cent for every minute. Phone company B charges $55.50
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Question 604445: Write linear equation for phone company A has an intital monthly charge of $25.75 for providing their services and charges 30 cent for every minute. Phone company B charges $55.50 per month and 10 cent for every minute. Phone company C does not have an initial monthly charge. It charges 75 cent for every minute.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
let the talk time be m minutes
company A
C(m) = 25.75 + 0.3m
Company B
C(m)=55.50+0.1m
Company C
C(m)= 0.75m
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