Let x = length of the rod
5:3:2 = 5x:3x:2x
25cm = 2x
2x/2 = x
25cm/2 = x
x = 12.5cm
Therefore, the rod was 12.5cm long.
A rod was cut into three pieces. The lengths of the three pieces are in the ratio 5:3:2. If the shortest is 25cm long, how long was the rod?
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