A hockey team's morning workout schedule consists of 15 minutes of warm-ups, 30 minutes of weight training, and 20 minutes of aerobic exercises. What is the ratio of the time spent doing warm-ups to the amount of time spent for the entire workout?
The amount of time spent doing warm ups is 15 minutes, and the total amount of time doing the workout is 65 minutes. Plug these two numbers into the ratio and simplify.