The correct answer is 1 mm Hg per year.
\[\sum_{n=1}^{7} 2(-2)^{n-1}\]
Step-by-step explanation:
the answer is 25%
hope it helps!
Setup
remember is means =, and of means *
Writing across the words
15 = x * 39
15/39 = x
x =0.3846 = 38.46%
Hey there!
Since 2 goes into 8, you would simplify. You would get 1 inch and 4 miles. Next, set up a ratio. The ratio is 1 inch: 4 miles. So for every inch on the map, there is 4 miles.
I hope this helps!