1) There were 17.9 litres of water in a basin and litres of water in a pail. Eng Seng poured in an equal amount of water into each container. Now the amount of water in the basin is 4 times that in a pail. How much water did Eng Seng pour into each container? Give your answer in litres and millilitres. Ans

2)18. A coin box contained 20-cent coins and 50-cent coins in the ratio 3 : 2. When ten 20-cent coins were taken out, exchanged for 50-cent coins and the money returned into the box, the ratio of the number of 20-cent coins to the number of 50-cent coins was 7 : 10. Find the sum of money in the coin box. Ans

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