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
Let the number be X   Given, 3/5 X^2 = 126.5   X^2 = 126.15 * 5/3   X^2 = 42.05 * 5= 
<gadget id="calculator">42.05 * 5</gadget>
<output>210.25</output>
210.25   X= 14.5   Answer 14.5.
<result>C</result>
Three fifth of the square of a certain number is 126.15. What is the number?