Q1. The cost of $16.50 for the music was reduction of 12% on the original cost.
calculate the original cost of the music.
Answer: $ ...
Q2. The download times for the music, films, and books are in the ratio
music : films : books = 2 : 9 : 1
The total download time is 3 hours and 33 minutes.
calculate the download time for the films.
Answer: ... hours ... minutes ... seconds
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