The horizontal axis in the coordinate plane is called the x-axis. The vertical axis is called the y-axis. The point at which the two axes intersect is called the origin. The origin is at 0 on the x-axis and 0 on the y-axis.
It would be 5/8 . First option
Since each hour is 3/8 of a tone then, namely how many times does 3/8 go into 24? well, is just their quotient.