A car travels from a place a to b in 7 hour. It covers half the distance at 30 kmph and the remaining distance at 40 kmph, what is the total distance between a and b
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Step-by-step explanation:as the car travel from one place to another in 7 hours and half of the way at the speed of 30 kilometre per hour then in 3 hours and 30 minutes it will cover a distance of 105 kilometre and in the remaining 3 hours and 30 minutes it will cover a distance of 140 kilometre so the total distance between a and b is 245 kilometres.
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