algebra
A student runs 100 meters in 11 seconds. What is the speed of the student?
speed = distance over time; 1 mile = 1609 meters
9.1 miles per hour
16 miles per hour
20.3 miles per hour
24 miles per hour
pls help
asked by
oscar

100m/11s * 1mi/1609m * 3600s/hr = 20.3 mi/hr
Just keep track of the units, and use the conversion factors that make them cancel out the way you want.posted by Steve

20.3
posted by P

15
posted by Eli
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