The simplified answer is 4/5
Answer:
40 m
Step-by-step explanation:
First we have to find the width. the width is 3 less than the length, which is 8... so the width is 5. Area is found by multiplyign length times width to get 40 m.
Between 7 pm and 7am 12 hours passed. The temperature changed a total of 12 degrees. 12 degrees/ 12 hours gives you the answer of 1 degree F per hour.
Hope this helps!