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Adrian Ng Principal Trainer. Proudly Presents Heuristics Approach Ace Ratio Method (ARM ) Solving Challenging Primary Mathematical Problems. Before and after concept ace ratio method (ARM). Single unchanged quantities.
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Adrian Ng Principal Trainer Proudly Presents Heuristics Approach Ace Ratio Method (ARM) Solving Challenging Primary Mathematical Problems
In a farm, there were as many chickens as ducks. After 49 ducks were sold, the percentage of ducks dropped to 40%. Find the number of chicken in the farm. 4u 3p x4 x3 12u 12u 2p 5u - 49 x3 x4 15u 8u 15u-8u 49 12u 12x7 = 84 7u 49 Ans: 84 chickens 1u 7