Best Answer

Remember the 'speed' equation

speed = distance / time

Algebraically rearrange

time = distance / speed

Substitute the numbers .

time = 840 km / 70 kmhr^.-1

Divide the number and cancel down the 'km'.

time = 12 hrs.

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Q: If a car travels 840km between Mackay and Port Douglas at an average speed of 70km/h, how long will the trip take?
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