i need working for part b only. the ans was 66⅔km/h but idk how they derived i

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secondary 3 | E Maths
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secondary 3 E Maths Singapore

i need working for part b only. the ans was 66⅔km/h but idk how they derived it.

Date Posted: 2 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Here u go!

Date Posted: 2 years ago