Question 908573: a car travels 1 km in 1 minute. to travel 1 km in 40 seconds, by how many percent must the speed of the car be increased? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! a car travels 1 km in 1 minute. to travel 1 km in 40 seconds, by how many percent must the speed of the car be increased?
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1 km in 2/3 minutes --> 1.5 km/minute
= a 50% increase in speed
