Walmart is thinking about offering a 25% discount on a brand of shoes. If the elasticity of demand is two, then the discount would increase sales by: A.50%. B.2%. C.200%. D.25%.

A.50%.

Explanation:

The price elasticity of demand formula is:

PED = Change in quantity demanded / change in price

plugging the amounts into the formula we obtain:

2 = X / 25%

Now, simply solve for X:

2 x 25% = X

50% = X

Thus, the total quantity demanded would increase by 50%

answer: a. the kind of population living in your neighbourhood.

the census explorer data tool by the us census bureau allows the user to zoom in on any neighbourhood within the united states and find the kind of people residing in that by race and age.  

the tool needs to needs to be used twice – once in order to find what type of people reside in a neighbourhood, and then to see the age groups of the people in the same neighbourhood.