need help. pls assist. TIA

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primary 6 | Maths | Algebra
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primary 6 Maths Algebra Singapore

need help. pls assist. TIA

Date Posted: 4 years ago

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Snell

4 years ago

after K to J
J: 99y
K: 11y
total = 110y

b4 K to J
J: 99y-33y = 66y
K: 11y+33y [bcos 33y is 3/4 of 44y]

at first (or b4 J to K)
J: 72y [bcos 72y = 66y ÷ 11/12 ]
K: 44y - (72y-66y) = 38y

(a)
72y in J at first

(b)
total = 110 x 0.5 = 55

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LYNN

4 years ago

thanks

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Date Posted: 4 years ago

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LYNN

4 years ago

thanks

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