Answer: 22 songs
Work Shown:
x = number of songs she downloaded
1 song = 0.89 dollars
x songs = 0.89x dollars .... multiply both sides by x
Since her total bill was $19.58, we know that
0.89x = 19.58
x = 19.58/0.89 .... divide both sides by 0.89
x = 22
She downloaded 22 songs
