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Maths Puzzle
Numerical Ability
the sum of the digits o a two digit number is 12. if the digits are reversed, the new number is 16 less than the original number. find the original number.
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Mitch invested $7500 for 1 year, part at 12% annual intrest and the rest at 10% annual intreast. His total intrest for one year was 890. How much money did he invest at 12%.
rewrite the equation (n-2)(3+(48/n))= $48+$22 in the standard form of a quadratic equation (ax^2+bx+c=0).......
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