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secondary 4 | E Maths
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secondary 4 chevron_right E Maths chevron_right Singapore

Date Posted: 2 years ago
Views: 401

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Sarah
Sarah's answer
3 answers (Tutor Details)
1st
a. 40/y
b. 10/(y-8)
c. prove
d. y=32 or y=6 (reject this abs because speed needs to be more than 8)
e. 24km/h