Question

there are 153 milliliters of juice in 1 carton. thee pack of juice boxes contains a total of 459 milliliters

Answer 1

there are 3 cartons in the pack, yes. they total 459 milliliters

Answer 2

Not a social studies question?
As well, yes, that logic is correct.
153 is one box
3 boxes
153*3 is 459.