SOLUTION: How many meters more will a car travel in 12min at a speed of 50/km/h than it will at a speed of 40km/h?

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Question 904013: How many meters more will a car travel in 12min at a speed of 50/km/h than it will at a speed of 40km/h?
Found 2 solutions by richwmiller, ewatrrr:
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
12 min is 1/5 hr
50/1/5=10
40/1.5=8
10-8=2 km more at 50 kph

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
D = rt
50kmph(.2hr) - 40kph(.2hr) = 10mi - 8mi = 2mi