18 is what percent of 60?

Me i'm timed right now! there's 4 answer

Three runners competed in a race data were collected at each mile mark for each runner if the runner ran at a constant pace the data would be linear

Ms.lopez has 4 liters of chemicals that she is going to pour into beakers. each beaker will have 1/4 of a liter of chemicals, how many beakers can ms.lopez fill? draw a model to support your work. (it's ok if you dont)