Melanie Wong's answer to Grace Goh's Primary 6 Maths Fractions Singapore question.

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Melanie Wong
Melanie Wong's answer
1 answers (Tutor Details)
mums new age = 2 units
vincent’s new age = 1 unit
using model,
vincent’s new age x 2 = 2 units
draw model of vincent’s new age x2 and mums new age
you will see that 2 black box = 24 years