Problema Solution
a.j foyt won his first of four indianapolis 500 mile races in 1961,in a time of 3.59 hours.What was his average speed in miles per hour,rounded to the nearest tenth?
Answer provided by our tutors
let
d = 500 mi the distance
t = 3.59 hr the time
v = the average speed
the average speed = distance/time thus
v = d/t
v = 500/3.59
v = 139.3 mph rounded to the nearest tenth.