Posted by Chris on .
Charlie and Peter are driving around a racetrack. Charlie drives at an average speed of 108 miles per hour. Peter drives at an average speed of 99 miles per hour. Peter is given a head start of 12 miles. Charlie and Peter finish at the same time. How far does Charlie drive?
126,132,144 or 156 miles

math 
Chris,
Ms Sue, can you help please?