Mathematics, 15.10.2019 18:20 conniehodson

Two phone companies are advertising new rates to their customers. company a charges a sign-up fee of $8.00 and $0.40 per minute of talk time. company b charges a sign-up fee of $12.00 and $0.20 per minute of talk time. how many minutes must customers talk in order for the total cost at company a and company b to be the same?

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Two phone companies are advertising new rates to their customers. company a charges a sign-up fee of...