Asked by Amanda
There's a table that says Company A charges $0.36 plus 0.03. And Company B charges $0.06 per minute. The question Im having problems with are:
How long is a call that costs the same amount no matter which company is used? Be sure to show your thinking?
How long is a call that costs the same amount no matter which company is used? Be sure to show your thinking?
Answers
Answered by
Damon
I assume you mean A is .36 + .03 per minute
then
A cost = .36 + .03 t
B cost = .06 t
they are the same when
.36 + .03 t = .06 t
or
.03 t = .36
t = 12 minutes
then
A cost = .36 + .03 t
B cost = .06 t
they are the same when
.36 + .03 t = .06 t
or
.03 t = .36
t = 12 minutes
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