Thread:ClariS/@comment-3017217-20141115175820/@comment-3017217-20141127225603

Elasticity is the quotient between the difference in x and the product of the difference in y and the value of x. goes for all 3

And the following only for question 1

Elasticity is used to measure the relation between 2 variables.

If coffee becomes cheaper what will be happen to sugar.

x ^ ε = y i think it was something like that but this was in a lecture and I cannot find it in the book