Question

If n represents the amount of song s stored on an mp3 player, analyze the meaning of the expressions n 7, n-2,4n and n divided by 2

Answer 1

n + 7  means that he is adding 7 songs to the MP3 player
n-2 would mean he deleted two songs
4n means he has four times the amount of songs
and n/2 means he deleted 1/2 of them