exam Maths Puzzle Numerical Ability

I'm not sure where to put this, sorry.
((3^m)(12^(2m+1))* (3^m+1)
Thanks very much!

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exam Other Question

If 20 percent of x equals 80 percent of y, which of the following expresses y in terms of x?

(A) y=16% of x
(B) y=25% of x
(C) y=60% of x
(D) y=100% of x
(E) y=400% of x Simplify

square root of (3x-2=5)