I'm not sure how to do (a) and (b). For (a), I got 40m as my answer but am not s

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secondary 4 E Maths

I'm not sure how to do (a) and (b). For (a), I got 40m as my answer but am not so sure. For (b), I really do not know how to do. Help would be greatly appreciated. Thank you very much!

Date Posted: 7 years ago

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Date Posted: 7 years ago

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Jennice

7 years ago

Thank you so much!!

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