Answer:
3 1/2 hours.
Step-by-step explanation:
We subtract>
Number of hours worked on a Saturday
= 7 3/4 - 4 1/4
= (7 - 4) + (3/4 - 1/4)
= 3 + 1/2
= 3 1/2 hours.
If 10% of songs represents 6 songs,
then 100% of songs represents (100 * 6) / 10 = 60 songs
The playlist has a total of 60 songs.
6x+15
