exam Maths Puzzle Numerical Ability

I need to write an verbal expression for this.... 1/3a3

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exam Other Question

The difference between two positive numbers is 4. If twice the square of the larger number is added to three time the smaller, the sum is 53. Please help me solve this problem asap please I really need this answer

log9 (x + 4) = log9 x + log9 (x+1)