Respuesta :
Answer: 45 minutes
Step-by-step explanation: If it takes John a half hour and Kevin 45 minutes it still only takes 45 minutes because they started at the same time but Kevin adds 15 minutes to Johns half hour.
Answer: 45 minutes
Step-by-step explanation: If it takes John a half hour and Kevin 45 minutes it still only takes 45 minutes because they started at the same time but Kevin adds 15 minutes to Johns half hour.