Inequalities!
The amount B in euro's that you pay per kilometer for company 1 is given by the formula B=10+3.5a. For company 2 it's B=12+3.25a.
starting from which number of kilometers is company 2 at least €5 cheaper than company 1?

Ifound this on google “a skewed (non-symmetric) distribution is a distribution in which there is no such mirror-imaging. a "skewed right" distribution is one in which the tail is on the right side. a "skewed left" distribution is one in which the tail is on the left side. the above histogram is for a distribution that is skewed right.” i hope this you for what your looking for