exam Maths Puzzle Numerical Ability

Solve.
9/10(3+2x) +2>_ 23
The solution is {xlx ? ?} (of course _ is supposed to be under >)
Will someone please help me with this one?

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exam Other Question

Suppose you deposit $20,000 for 3 years at a rate of 8%.
a) Calculate the return (A) if the bank compounds annually (n = 1).

b) Calculate the return (A) if the bank compounds q solve for x x2-6x-160=0 x2 is x squared