
Mark M. answered 12/09/16
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
3 1/4 laps / 2/3 hr
13/4 laps / 2/3 hr
(13/4)(3/2) / (2/3)(3/2) multiply numerator and denominator by 3/2
38/8 laps / 1 hr
4.75 laps / 1 hr