Problema Solution
Jow buys 9 Cds 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?
Answer provided by our tutors
let
x = the cost of one CD
Jow buys 9 Cds for the same price, and also a cassette tape for $9.45. His total bill was $118.89.
9x + 9.45 = 118.89
by solving we find:
x = $12.16
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the cost of one CD is $12.16.