Calvin went to the candy store. Chocolate candy costs 50 cents each and gum cost 25 cents each. Calvin bought 2/3 as much gum as candy and spent $4. How many candies did he buy? How much gum?

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?

How do i do this activity, is appreciated

Let f(x)=2x and g(x)=2x. graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ?me asap