can someone help me with (a) and (b) apparently my answer for (a) is wrong so ig

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secondary 4 | E Maths
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secondary 4 E Maths

can someone help me with (a) and (b) apparently my answer for (a) is wrong so ignore my working thanks :)

Date Posted: 7 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Sorry, a bit messy, wish you understand...

Date Posted: 7 years ago