Mathematics, 05.03.2021 20:40, sophiaa23
My spouse was recently in Mexico, and I had to work out the cheapest way to call. AT&T has an international wireless plan called World Connect with a monthly fee of $2.90, and then my calls to a Mexican landline are $0.12 per minute. Without this plan, I would pay no monthly fee and $0.62 per minute.
a) Write an equation for the cost C of the World Connect AT&T plan where x represents the number of minutes.
2 points
b) Write an equation for the cost C WITHOUT the World Connect AT&T plan where x represents the number of minutes.
2 points
c) Solve the system of equations you wrote in part "a" and "b" to find the number of minutes for which the two options would cost the same. (Round to the nearest whole minute.)
1 point
4 minutes
5 minutes
6 minutes
Answers: 1
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My spouse was recently in Mexico, and I had to work out the cheapest way to call. AT&T has an in...
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