If three sandwiches and two bags of chips cost $22.00, and two sandwiches and one bag of chips
cost $14.25, how much does a bag of chips cost?

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

If you answer 2+2 you will get over 80 points