exam Maths Puzzle Numerical Ability

Solve for X and Y in the following problems.

a. X + Y=6 ; 2X + Y = 8

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exam Other Question

Ms. Mills invested her $20,000 bonus in two accounts. She took a 4% loss on one investment and made a 12% profit on another investment, but ended up breaking even. How much was invested in each account? solve 2x^2-11x-6=0