Question

Lorenzo rides his bike at a rate of 5 yards per second. About how many miles per hour can Lorenzo ride his bike?

Answer 1

5280 ft =1 mi 
hour =3600seconds       5280/3 =1760 yd= 1 mi 
5yd/sec=x/3600
x=18000 yd/1760yd
x=10.227 miles