Pre Algebra
posted by Sondra .
A phone company charges $27.95 monthly fee and .12/min. for local calls. Another phone company charges $12.95 a month and .32/minute for local calls. For what number of minutes of local calls is the cost of the plans the same?

Pre Algebra 
Steve
What's the problem? Just write an expression for each company, set them equal, and solve the equation.
company A charges 27.95 + .12m for m minutes
company B charges 12.95 + .32m for m minutes
27.95 + .12m = 12.95 + .32m
15.00 = .20m
75 = m
check:
27.95 + .12(75) = 36.95
12.95 + .32(75) = 36.95 
Pre Algebra 
Anonymous
Yes
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