Three fifth of the square of a certain number is 126.15. What is the number?  Answers:
A) 210.25
B) 75.69
C) 14.5
D) 145
E) 150

Rationale: let the number be x given , 3 / 5 x ^ 2 = 126.5 x ^ 2 = 126.15 * 5 / 3 x ^ 2 = 42.05 * 5 = 210.25 x = 14.5 answer c .
Answer: C