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Maths Puzzle
Numerical Ability
Suppose you invest $12,000 in two funds paying 10.5 % and 13% simple interest. The total annual interest is $1447.50. How much is invested in each fund.
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Write in simplified radical form by rationalizing the denominator.
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Ö</font>3 - 2
—————</u>—————
-5Ö</font>3 + 8</PRE>
Simplify: 4x>2+12x+xy+3y divided by x>3+27