Concept explainers
To determine the cost of each video.
Answer to Problem 29STP
The cost of each video song is $1.99. option J is correct.
Explanation of Solution
Given information:
2 videos and 7 songs = $10.91
3 videos and 4 songs = $9.93
Let cost of video
Cost of songs
Hence the equation becomes,
Now multiply first equation with 4 and second with 7 and subtract equation 2 for equation 1 we get,
Hence the cost of each video song is $1.99
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