Jow buys 9 CD’s for the same price, and also a cassette tape for $9.45. His total bill was 118.89. W

[math_celebrity]

Jow buys 9 CD’s for the same price, and also a cassette tape for $9.45. His total bill was 118.89. What was the cost of one CD?

Let the price of each cd be c. We're given the equation:
9c + 9.45 = 118.89

We type this equation into our search engine and we get:
c = 12.16