SOLUTION: A man jogs for 20 minutes at a rate of 6kph, then walks for 30 minutes at a rate of 3 kph, then sits and rests for 15 minutes and finally walks for 45 minutes. Find the rule of th

Question 1199935: A man jogs for 20 minutes at a rate of 6kph, then walks for 30 minutes at a rate of 3 kph, then sits and rests for 15 minutes and finally walks for 45 minutes. Find the rule of the function that expresses his distance travelled as a function of time (in hours).
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
A man jogs for 20 minutes at a rate of 6kph, then walks for 30 minutes at a rate of 3 kph, then sits and rests for 15 minutes and finally walks for 45 minutes.
Find the rule of the function that expresses his distance travelled as a function of time (in hours).
:
20 min is 1/3 hr
30 min is 1/2 hr
15 min is 1/4 hr
45 min is 3/4 hr
:
Dist = speed * time

d = 2 + 1.5 + 0 + 2.25
d = 5.75 mi
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