Answer:
<h2>d = 1</h2>
Step-by-step explanation:
Answer: He still has to mow 45 lawns, or 75% of the lawns before he is finished.
I hope I’m not too late. Substitute x = 4y + 5y = 2
y = 2. Substitute this value into the first equation: x + -4 x 2 = -8. So the answer is (-8,2).