51/17 is a rational number. This is because rational numbers are numbers that can be written as ratios (also fractions). Another example of a rational number would be 30/21, or 57/89.
The answer is 12 because hk crosses hl and L is right in the middle of hk which equals 24 and half 24 equals 12 since l is half of hk the answer has to be 12
