1. $297 = $130 Basic + $200 Advanced - $33 (discount for both) 2. $310 = $130 Basic + $200 Advanced - $20 (discount for Advanced) 3. $317 = $130 Basic + $200 Advanced - $13 (discount for Basic) 4. $330 = $130 Basic + $200 Advanced The answer is $317, because only the daughter (the college student) gets the discount and she is attending the Basic classes. Maybe the problem is because of the word "respectively". It means the first subject is paired with the first object, the second subject with the second object, etc. For example: A, B and C like D, E and F, respectively. = A likes D, B likes E and C likes F. Edit: What Alan added about "least" is true. I understood it to be the minimum because the mother and daughter could decide to take more classes in the future and therefore add to the total cost. If the information about the mother being a daughter is missing, what other information is missing. In that case, the minimum could be free.

Wouldnt be language related but anyways its 317$

Basic : 130-10% = 130-13 = 117 Advanced : 200 200+117=317 The third option is the right one

This really isn't a language question; it's basic arithmetic. Also there is no "least" amount that they can pay; there is only one amount, based on the data provided. (That last bit is an important qualification, as we shall see.) But working on the assumption that it's the "respectively" part that's throwing you off: "A mother and her daughter, a college student, want to take Advanced and Basic Yoga Classes respectively." This means that the mother will take an Advanced class, and the daughter will take a Basic class. "Respectively" in this case means match the items in the first list (mother, daughter) with the items in the second list (Advanced, Basic). 8 basic classes cost $130, BUT the daughter is a student and will get a 10% discount. She will therefore pay 90% * 130 = $117. 8 Advanced classes cost $200, so the mother will pay $200. The total cost will therefore be $317, answer 3. BUT! There is a potential gotcha here. *IF* the mother is also a student, she will pay only $180 which means that the total will be $297, answer 1. My problem with that is that (a) If maths questions are going to be given they should be given with ALL relevant data (and if the mother is a student, that is a relevant piece of data) and (b) By mentioning the fact that the daughter is a student but omitting whether the mother is, there is a strong implication that the mother isn't. So while it is true that one could argue that $297 is the least they will pay in total, one could also argue that traps like that are set by smug, self-satisfied lecturers who are more interested in showing off how clever they are by catching students out with ambiguities than in genuinely helping them to develop reasoning skills. In short, you should look at where the question came from. If it's from a decent maths lecturer, it will be answer 3. If it's from someone who thinks they're clever OR it's from one of those appalling "brain teaser" columns in a tabloid newspaper, it'll be more likely 1.

I think the answer is: 317$