Level 2 PSLE
A rope was first cut into two pieces in the ratio 3 : 2. The longer piece was then cut into two pieces in the ratio 3 : 1. Among the three pieces, the length of the shortest piece was 6 cm. What was the length of the rope before it was first cut?
Level 2
A train of length 100 m passes a bridge that is 5.5 km long. It is travelling at an average speed of 80 km/h. How long does it take the train to completely pass through the bridge? Express the answer as decimals in h.