Julia exercises at the gym. for every 3 minutes she spends running, she spends 5 minutes lifting weights which of the following could be how julia spends time at the gym? a run for 10 minutes and lift weights for 12 minutes. b run for 15 minutes and lift weights for 25 minutes. c run for 20 minutes and lift weights for 30 minutes. d run for 24 minutes and lift weights for 48 minutes e run for 30 minutes and lift weights for 50 minutes.