Mathematics, 03.02.2021 14:00 live4dramaoy0yf9

A piano teacher charges $20 per lesson plus a $30 fee for supplies. Another teacher does not have a supply fee but charges $30 per lesson. After how many lessons will the cost of the two teachers be the same?

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A piano teacher charges $20 per lesson plus a $30 fee for supplies. Another teacher does not have a...