Mr.donohue is building a patio in his backyard. He wants the patio to cover 1/4 of the yard. Mr.donohue wants to know the area of the patio

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)