The points J, K, L and M all lie on the same line segment
And
JK : KL : LM
2 : 2 : 3
And Given JM = 28
So, the total line segment can be divided to 2 + 2 + 3 = 7 segments
So, the unit rate = 28/7 = 4
So, JK = 2 * 4 = 8
And KL = 2 * 4 = 8
JL = JK + KL = 8 + 8 = 16