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Maths Puzzle
Numerical Ability
solve by addition
2/3x - 1/2y=2
1/3x + 1/4y=3
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book Other Question
Simplify the rational expression
(x-5/x^2+2x-3)-(x-1/x^2+6x+9
During a sale, the price of a book is reduced by 25%. The sale price is then further reduced by 40%. The cost of the book as a percentage of the original price is?