Question

The cost to purchase a song from iTunes is $1.29 per song. To purchase a song from

Napster, you must be a member. The Napster membership fee is $10. In addition, each
purchased song costs $1.19. How many songs must be purchased for the monthly price of
Napster to be the same as iTunes?

Answer 1

It will take 100 purchased songs for iTunes and Napster to equal in price.

Explanation:

iTunes: y=1.29x

Napster: y=1.19x+10

1.29x=1.19x+10

10=.10x

x=100