Katrina drinks 10 fluid ounces of water for every 20 minutes of exercise. At this rate, how many fluid ounces of water does Katrina drink for 60 minutes of exercise?

1 answer

If Katrina drinks 10 fluid ounces of water for every 20 minutes of exercise, for 60 minutes, she drinks 10 fluid ounces/20 minutes * 60 minutes = <<10/20*60=30>>30 fluid ounces. Answer: \boxed{30}.