Juan is going to visit roberto in oregon. they are planning to take a bike trip together. before juan comes, roberto sends him the following information about bicycle regulations in oregon. what happens the first time someone gets caught riding without a helmet? a warning will be issued. a fine is issued but can be avoided with proof of a helmet purchase. a $25 fine is issued and must be paid within 16 days. a fine is issued but can be avoided by writing a letter of explanation to either ansi or snell.