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secondary 3 | E Maths
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secondary 3 chevron_right E Maths chevron_right Singapore

Problem sum

Date Posted: 1 week ago
Views: 25

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done {{ upvoteCount }} Upvotes
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teacher zhang
Teacher Zhang's answer
23 answers (A Helpful Person)
1st
t1+t2=total time
x=15km/h is the speed of wind
hope it helps:)
M
M
1 week ago
Thank you for the clear working