exam Maths Puzzle Numerical Ability

One of two positive numbers exceeds 4 times the other number by 4. One-third of the larger exceeds one-half of the smaller by 8. Find both numbers.

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exam Other Question

Solve for all values of b that make the trinomial a perfect square.

9-bx+9x^2
Solve for k
8asquared bcubed
over
3k
equals 4a