Mathematics, 11.07.2019 06:50 chhimmidemg

Harriet is comparing the costs of calling cards. to use card a, the cost is $1.00 to connect and then $0.04 per minute. to use card b, it costs $0.65 to connect and then $0.06 per minute. for what number of minutes does it cost the same amount to use each card for a single call? (enter only the number.)

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Harriet is comparing the costs of calling cards. to use card a, the cost is $1.00 to connect and the...