Jim bought some chocolates and gave half of it to Ken. Ken bought some sweets and gave half of it to Jim. Jim ate 12 sweets and Ken ate 18 chocolates. The ratio of Jim’s sweets to chocolates became 1:7 and the ratio of Ken’s sweets to chocolates became 1:4. How many sweets did Ken buy?
Can you solve this PSLE question using only model approach, just like how the kids are taught?
Wednesday, October 14, 2009
第十天 － 大雨天
Posted by sKysHaDoW at 2:15 PM
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