If y=kxy=kxy, equals, k, x, where kkk is a constant, and y=24y=24y, equals, 24 when x=6x=6x, equals, 6, what is the value of yyy when x=5x=5x, equals, 5?
Please choose from one of the following options.

A 666
B 151515
C 202020
D 2323