Sean Ooi's answer to Skr's Secondary 3 E Maths Singapore question.
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As X is unknown and qns requires to know maximum X, form inequality using X by using total amount of cash as max/limit. Then solve accordingly.
The key is being able to link the information given to form inequality.
Good luck.
The key is being able to link the information given to form inequality.
Good luck.
Date Posted:
5 years ago
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