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Mathematics, 09.12.2020 04:50, silvernekoo
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?
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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A piano teacher charges $20 per lesson plus a $30 fee for supplies. Another
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