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Step-by-step explanation:


Answer:A=8-1/57=455/57=7.98
Step-by-step explanation:
Answer:
There is 7.5% increase in the number of songs on his mp3 player.
Step-by-step explanation:
Original Songs in mp3= 440 songs
Final Songs in mp3= 473 songs
We need to find percent of increase in the number of songs on his mp3 player.
The formula used is: 
Now putting values and finding percent of increase

So, there is 7.5% increase in the number of songs on his mp3 player.
Answer: 2
Step-by-step explanation: What is 20 divided by 10? 2
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