help with qn 3&4 pls - Ask.ManyTutors

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secondary 4 | A Maths
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secondary 4 A Maths Singapore

help with qn 3&4 pls

Date Posted: 3 months ago

Views: 68

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done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Date Posted: 3 months ago

Comments 1 add a comment

lana <3

Lana <3

3 months ago

thanks !!

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done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Date Posted: 3 months ago

Comments 2 add a comment

lana <3

Lana <3

3 months ago

the ans says +- 16.2. I got the same ans as you but idk how to find -16.2

sstrike

Sstrike

3 months ago

Yes. Common ratio sold be ±0.6
-0.6 was missed out here