MULTIPLE CHOICE Peyton is a sprinter who can run the 40-yard dash in 4.5
seconds. He converts his speed into miles per hour, as shown
below.
40 yd 3 ft 5280 ft 60 sec 60 min
4.5 sec 1 yd 1 mi 1 min
1 hr
.
Which ratio is incorrectly written to convert his speed?
3 ft
(1)
(3)
1 yd
1 min
60 sec
(2)
5280 ft
1 mi
(4)
60 min
1 hr
Dan took 12.5 seconds to run the 100 moton