idk19218 idk19218

12-07-2020
Mathematics

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Mrs Lim bought a number of plates at an average price of $6. She decided to buy another plate which cost $18. The average price of all the plates then became $8. What was the total number of plates Mrs Lim bought in all?

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samii0305 samii0305

12-07-2020

Use simultaneous equations to solve this question, it’s beginners algebra if I’m not wrong. I hope you’re able to understand my working :)

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