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primary 5 Maths Whole Numbers Singapore

Pls help me

Date Posted: 4 years ago

Snell

4 years ago

at first
A: 3u
B: 1u

after
A: 3u + 50
B: 1u - 50

3u + 50 = 5 . (1u - 50)
3u + 50 = 5u - 250
1u = 150

at first 450mL in A

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Date Posted: 4 years ago