720/91.2 = c/0.513 find c

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

Nine more than four times a number is the same as one less than twice the number. find the number?

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?