people who are attending a music concert are randomly polled and asked how many concert t-shirts they buy each year. the results of the survey are shown below

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m