In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right?

Question

anonymous · Answer

This would result in the alkyl groups being named first.

This would result in the carbon atom with the alkyl group having the highest number.

This would result in the carbon atom with the alkyl group having the lowest number.

This would result in the carbon atom with the triple bond having the highest number.

anonymous · Answer

the answer is C. I figured it out.