Math
Customers of a phone company can choose between two service plans for long distance calls. The first plan has a
$14 monthly fee and charges an additional
$0.20 for each minute of calls. The second plan has an $18 monthly fee and charges an additional $0.15 for each minute of calls. For how many minutes of calls will the costs of the two plans be equal?
asked by
Morgan

let m be the number of minutes
cost1 = .20m + 14
cost2 = .15m + 18
When is .20m + 14 = .15m + 18 ?
.05m = 4
m = 4/.05 = 80posted by Reiny

250
posted by Anonymous
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