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Whole Numbers (Pri-4)

/ Multiplication St Gabriel’s Primary School / Homework (2019)
Mrs Tan is 40 yrs old and her daughter is 16 yrs old  now. How old was her daughter when Mrs Tan was 3 times as old as her daughter?
Ju

February 8, 2019
 
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(refer to model)2u = 24u = 24 ÷ 2 = 12Tan = 3 u= 3 × 12= 36  (ans)
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February 9, 2019
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