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Ok this is the way ya do it ( and im bad at maths ..lol )

60 x 9 to get you how many minutes in 9hrs = 540

720 divided by 540 = 1.3333333333333333333333333333333

1.3 recuring x 60 minets in a HR

gives you 80kph

and to cheack your answer you say 80 x 9 = 720

OR

720 divided by 9 = 80

:) have a nice day

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Wiki User

12y ago
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Wiki User

9y ago

Answer: If a car travels at an average speed of 90 kmh then it will take the car 4 hours to travel 360 km. This is true because 360 divided by 90 is 4 and 4 multiplied by 90 is 360.

Answer: In general, for constant speed problems, you can use the formula:

distance = speed x time

Solving for time:

time = distance / speed (as in the answer above).

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Wiki User

12y ago

Dividing distance travelled by time taken gives 160/2 = 80 kilometres per hour.

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Anonymous

Lvl 1
3y ago

5

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Q: What is the average speed of a car that travels 720km in 9 hours?
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