Answer:
20th day
Step-by-step explanation:
you: 4,8,12,16,20,24
sister:5,10,15,20,25
20 is the day where they meet
<span>y=375/x, so when x=1, y=375</span>
Assuming Lindsey takes 5 hours to mow a lawn, she earns from twelve lawns
12*70=$840.
If the above assumption is not correct, @funnyork2005 needs to clarify the question.