Answer:
The second line is the answer.
Add 1/4 by 1/6 and get 5/12 so then you have 7/12 with black hair.
We are already given with the following statements and proofs:
segment LN ≅ <span>NP Given
∠1 ≅ ∠2 Given
∠N ≅ ∠N Reflexive Property
ΔLNO ≅ ΔPNM Angle-Angle-Side Postulate
The last statement:
</span><span>∠NLO ≅ ∠NPM
is proved by:
</span><span>Corresponding Parts of Congruent Triangles Are Congruent
</span>