Nate and his sister Natalie are walking around the track at school and they’re walking at a steady rate. Nate walks 5 feet in 2 seconds while Natalie walks 2 feet in the same amount of time.
 When Nate walks 15 feet, Natalie walks 
 feet. ?
 In 30 seconds Nate will walk 
 feet while Natalie will walk 
 feet. ?
 When Nate walks 45 feet, Natalie will walk 
 feet. ? PLEASE SOLVE NATALIE'S WALK 20 points.