or Write a system of equations to describe the situation below, solve using substitution, and fill in the blanks. Mrs. Olsen, the P.E. teacher, is pairing off students to race against each other. Sue can run 7 yards per second, and Carter can run 8 yards per second. Mrs. Olsen decides to give Sue a head start of 7 yards since she runs more slowly. Once the students start running, Carter will quickly catch up to Sue. How far will Carter have to run? How long will that take? Carter will catch up to Sue after running yards in seconds.
