Just take each number in the first table and divide it by the total then x by 100
Eg the first one 24/120 x 100 = 20%
26-18=8. 8/18=4/9=44.444 (repeating)%
The answer is C
If the two chords intersect each other, that means that they must both be diameters. That means that JL + NL has to be equal to KL + ML. Because they are both diameters, they both have to be equal to each other. The only choice that satisfies this condition is C where both of the diameters are 16 in long.
Hope this helps :)
Convert the fraction to a decimal by dividing the numerator by the denominator.
22.83 (the 3 is endless)