A certain distance is covered at a certain speed if half of the distance is covered in double the time find the ratio of the two speed.
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Answer:
original distance is d
new distance is d/2
original speed s = d/t
original time t
new time 2t
new speed is distance/time = d/2÷2t = d/4t
since d/t =s then
new speed = s/4
ratio
1:4
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