Word problem help

Question

Mike subscribed to a new service that streams movies over the Internet. The service cost $43.75 a month, but Mike’s rate is reduced by $1.25 for each new subscriber that he gets to sign up. If there is no limit to the discount how many users must Mike recruit in order for him to stream movies for free.

Answer 1

n represents the number of new subscribers

43.75 - 1.25n = 0

Can you solve for n and answer?