It is convenient to have a calculator that effortlessly converts mixed numbers and times to decimal values. The average speeds in miles per hour of the participants are ... Adam 37.5 Allen 36.75 Nigel 38.0 Owen 36.75 William 37.5
Then drivers progressing at the same pace are ... C. Adam and William (both 37.5 mph) D. Allen and Owen (both 36.75 mph)