9. Two disc jockeys charge different rates. The Music Man charges \( \$ 45 \) per hour and Road Tunes charges \( \$ 35 \) per hour. Write equations to represent the total cost \( t \) of hiring either disc jockey for any number of hours \( n \) .
Pregunta
Answer
\(music \ man: t= 45n\\Road: t= 35n\)
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