math
posted by Geno .
Customers of a phone company can choose between two service plans for long distance calls. The first plan has an $18 onetime activation fee and charges 10 cents a minute. The second plan has no activation fee and charges 15 cents a minute. After how many minutes of long distance calls will the costs of the two plans be equal?

math 
Elle
Try to make two equations, one for each phone company.
First plan:
y = .10x + 18
Second plan:
y = .15x
Try plugging in numbers until the two equations have the same y. If you need anymore explanations, just respond back.
Hope I helped!
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