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a car does a journey in 10 h , the first half at 21 km per hour , and the rest at 24 km per hour. the distance travelled by the car is .. |
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Answer» 225kmStep-by-step explanation:Total time of journey = 10 hoursfirst half of journey = second half of journey 10/2 = 5 HOURS Now,speed = distance travelled / time TAKEN since we already know speed and time taken, we can put that equation in the form of Distance=speed*time takensince the journey has two HALVES with different speed,total distance = distance travelled in FIRST half + distance travelled in second half total distance = (21 * 5) + (24 * 5) = 105. + 120 =. 225 kmsTherefore, total distance = 225 KMS |
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