Posted by Rihanna on .
What music plan is a better deal?
site A: $29 per month plus .80 cents per download
site B: $17 per month plus $1.19 per download
write an equation and show how many downloads make site A a better deal.

Math 
PsyDAG,
29 +.80d < 17 + 1.19d
Solve for d.