En un magatzem venen cafè en paquets d'1/4 kg i descafeïnat en paquets d'1/3 kg. El preu per kg de les dues varietats és el mateix. Un bar ha comprat 19 paquets de normal i 14 de descafeïnat, en total ha pagat 72,13€. Quin és el preu del Kg de cafè.

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?

What is the solution for the following system of equations? use any method to solve. 2x + 8y = 4 x = -3y + 5 question 4 options: x = 14, y= -3 x = 2, y = -3 x = -3, y = -3 x = 12, y = 5

Find the value of x to the nearest tenth. a. 4.5 b. 5.4 c. 6.3 d. 7.2