Question 579293
32^(a+b) = 16^(a+2b)


(2^5)^(a+b) = (2^4)^(a+2b)


2^(5(a+b)) = 2^(4(a+2b))


5(a+b) = 4(a+2b)


5a+5b = 4a+8b


5a-4a = 8b-5b


a = 3b


So the answer is choice C