Find the constant of variation for the relation and use it to write an equation for the statement. Then solve the equation. C.
If y varies directly as x, and y = 5 when x = 8, find y when x = 4.

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?