Answer:
The Tempature dropped 18 degrees Fahrenheit is 6 hours
Answer:

Step-by-step explanation:
Here first open the inner parentheses and use the distributive property,

<span>10100 is the answer hope it helps you.
</span>
Divide both by 18.
<span>140/18=7.78 </span>
<span>So... $7.78 per foot</span>