teacher zhang's answer to M's Secondary 3 E Maths Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
t1+t2=total time
x=15km/h is the speed of wind
hope it helps:)
x=15km/h is the speed of wind
hope it helps:)
Date Posted:
1 year ago
Thank you for the clear working
360 Tutoring Program