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if you traveled in a car for 45 miles at 30 mph and traveled for 90 miles at 45moh, how much time did your total trip take? show equation.

Respuesta :

emmarobert
Use the equation v=d/t, rearranged with t isolated it is t=d/v
time for the first part of the trip:
t=45/30
t=1.5h
time for the second part of the trip:
t=90/42
t=2 hours
total time:
T=t1+t2
T=3.5 hours

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