Question

Two snow resorts offer private lessons to their customers. Big Time Ski Mountain charges $5 per hour plus $50 insurance. Powder Hills charges $10 per hour plus $30 insurance. For what number of hours is the cost of lessons the same for each resort?

Answer 1

Big Time Mountain : Cost = 5x + 50
Powder Hill : Cost = 10x + 30

when is
10x + 30 = 5x + 50 ? solve for x

Answer 2

10