Basic formula for the price elasticity of demand coefficient is on this webside:
http://www.economicsdiscussion.net/price-elasticity-of-demand/price-elasticity-of-demand-with-formula/25223
Answer:

Step-by-step explanation:
Let
n------> a number
we have

n represent the 100%
so
by proportion

I am not sure but its might be .125
Answer:
49.5 mi
Step-by-step explanation:
Area of a triangle is A = (height) X (base) / 2
So if you plug in the numbers you get:
806.9 = (32.6) X (base) / 2
1613.8 = (32.6) X (base)
1613.8 / 32.6 = base
base = 49.5 mi
Answer:
-12
Step-by-step explanation:
Simplify To:
-12(8-7)
-12 x 1
-12