Respuesta :

3 and 1/2 an hour for the bike and I got confused with 1 and 3 fourth with 13/4 so I am sorry, I got it wrong.
apologiabiology
1 and 3/4 miles per 1/2 hour
multiply by 2
2 and 6/4 miles pwer hour
3 and 2/4 miles per hour
3 and 1/2 miles per hour