Work backwards . Start from the timing that she has ended .
5 years ago
Ben02
1hr = 60min. Eg. 8.10pm = 7hr70min . From there on, u try to do the steps.
5 years ago
iMath
Asked 5 years ago
SG
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Primary 6
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Geometry
Please help. Thanks
Replies
2
Ikhlas Hashim
Find volume of water based on tank X
5 years ago
Soo Vei Li
Solution
5 years ago
iMath
Asked 5 years ago
SG
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Primary 6
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Number and Algebra
Need help. Thanks
Replies
1
Soo Vei Li
Solution
5 years ago
nurul
Asked 5 years ago
SG
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Secondary 2
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Number and Algebra
Help me pls
Replies
3
Ikhlas Hashim
Which question?
5 years ago
nurul
b)
5 years ago
Mr Chan
Tip: Factorise (rs - s²) to s(r - s). Next, factorise 5r - 5s to 5(r - s). What can you do with the crossed common term “r - s”? Similarly, factorise 2r - 4r² to 2r(1 - 2r). What can you do with crossed common term “2r”?