EM-2385
Ratio and proportion
E Math · Secondary 4 · Hard · Ratio and proportion
A rope is 55 m long. It is cut into two pieces in the ratio 3:8. Then the same length of rope is cut away from each piece. The new ratio of the remaining lengths is 1:3. How much rope was cut away from each piece?
- 2.5
- 5
- 7.5
- 10
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