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secondary 4 | E Maths
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felicia
Anonymous

secondary 4 chevron_right E Maths chevron_right Singapore

qns 6 part c !! need help

Date Posted: 1 month ago
Views: 9
Alex Docherty
Alex Docherty
1 month ago
I can help

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Mrs Ker
Mrs Ker's answer
37 answers (Tutor Details)
1st
Hope this helps. Becareful of the "sign" when doing expansion. =)
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Alex Docherty
Alex Docherty's answer
2 answers (A Helpful Person)
If you worked out x for pump A then for pump B just add on 21 from the answer A .