Answer: Jose traveled 3 miles on his bike before it broke down.
Explanation:
Given : Jose wanted to ride his bicycle for a distance = 12 miles
Cycle broke down after he went only 25% of his distance i.e =

Thus Jose travelled for 3 miles before his bike broke down and he still has (12-3)= 9 miles of his distance to cover.
Thus Jose traveled 3 miles on his bike before it broke down.