It's the third one and the last one are the only ones that make immediate sense.
Consider, pls, the suggested option (see the attachment).
Answer: He still has to mow 45 lawns, or 75% of the lawns before he is finished.
Answer:
Reason 2
Step-by-step explanation:
The reason should be transitive property( if a=b and b=c then a=c) not reflective property.