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## Question

primary 6 | Maths

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Pls help! Must use model method

So let Tina's share be 4u

if she gives ½ to Mary, she gives her 2u

Mary + 2u

Tina = 4u - 2u = 2u

Difference = Mary = $48

If Tina gives ¼ to Mary, she gives her 1u

Mary + 1u

Tina = 4u - 1u = 3u

Difference = Mary - 2u = $28

$48 - $28 = $20

So this tells us that 2u = $20

Try drawing the model. You will realise that 2u = $20

1u = $20 ÷ 2 = $10

Tina's share = 4u = 4 x $10 = $40

(Note : from above, we can also deduce that Mary = $48)

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