Caspe Angelique Joy Opina's answer to katherine's Secondary 3 E Maths Singapore question.
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hope this helps!
Date Posted:
5 years ago
hi, the answer sheet says the answer is 15.4cm
Oh I’m not so sure. But if you substitue in x=15.4cm into the equation, it doesnt add up to $300 :( You may want to check with your teacher if the answer key is correct?