exam Maths Puzzle Numerical Ability

After getting a 15% discount on the price of a new Chrysler Sebring convertible, Helen paid $27,000. What was the original price of the convertible?

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exam Other Question

An investor puts $3000 in 2 CDs, one of which earns 5% annually and the other earns 4% annually. After 2 years he has earned $260. How much has he invested in each CD?

Can anyone solve this for me? I am a total math loser!!

Thanks so much. is there y-axis symmetry for the rational function f(x)= -4x^2/6x^4-3