Which speed is the fastest?

A.) 18 feet in 20 minutes

B.) 90 feet in 2.5 hours

C.) 20 yards in 1.5 hours

D.) 3.6 yards in 15 minutes

A.) 18 feet in 20 minutes

B.) 90 feet in 2.5 hours

C.) 20 yards in 1.5 hours

D.) 3.6 yards in 15 minutes

A) 18/20=0.9 ft per min

B) 2.5 hours equals 150 minutes. 90/150=0.6 ft per min

C) 20 yds = 60 ft 1.5 hours = 90 minutes 60/90≈0.67 ft per min

D) 3.6 yds = 10.8 ft 10.8/15=0.72

Therefore the fastest would be 0.6 ft per minute therefore, choice

B) 90 feet in 2.5 hours