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Nastasia [14]
3 years ago
5

When a car travels a distance of d kilometers in time t hours, the average speed for the journey is given by a =4/t km h^-1. fin

d:
a. the average speed of a car which travels 200km in 2 1/2 hours.
b. the distance travelled by a car in 3 1/4 hours if its average speed is 80 km h^-1.
c. the time taken, to the nearest minute, for a car to travel 865 km at an average speed of 110 km h^-1
Mathematics
1 answer:
zysi [14]3 years ago
4 0

speed=d/t=200X2/5=80km/hr

d=sXt=13X80/4=260km

865/110=173/22hr=173X60/22=173X30/11=467min

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