Answer:
2
Explanation:
Billy's Moped Shop charges $17 per hour for a moped + helmet. Julio's moped shop charges $9 per hour for a moped + $16 upfront for a helmet.
Let x be hours and p be price, let's set up an equation for each.
Billy's equation is 17x = p
Julio's equation is 9x + 16 = p
After 1 hour, Billy's would charge $17 and Julio's would have charged $25. After 2 hours, Billy's would charge $34 and Julio's would charge $34. The answer is 2.