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(a) Pei has x dollars, when she passed her exam, her dad doubled her money and mum gave another $10. Altogether she got $100. i) Write a mathematical equation for this.​
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(a) Pei has x dollars, when she passed her exam, her dad doubled her money and mum gave another $10. Altogether she got $100. i) Write a mathematical equation for this.​

User Bronze Man
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1 Answer

4 votes

Answer:

a: (x2)+10 = 100

Explanation:

and if you need an answer, x = 45

User AsGoodAsItGets
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