Answered

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In order to determine speed, you must know 

a.time.
c.Both (a) and (b)
b.distance.
d.None of the above
 

Sagot :

The answer is c. Both a and b which is distance and time.
In order to get or determine the speed, we need to have both time and distance.
The formula would be :
speed =  distance / time
And here are another important note to get the time and distance
time = distance / speed
Distance = speed x time
 
It is always important to remember these 3 formulas to be able to solve given situations about speed, time and distance.