DEREK NG's answer to Hazzy's Primary 6 Maths Singapore question.

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DEREK NG
Derek Ng's answer
20 answers (Tutor Details)
1st
Make the ratio same for Dogs:Cats&Rabbits and Cats:Rabbit.

Use the ratio numbers as units and calculate the amount of animal for every unit. Then find total units which will lead you to the answer.

Hope it helps.