At the end of each semester, Mr. Gupta gives each of his students an individual test. When Scott went for his test. Mr. Gupta had two scales set up. On one he had 3 blue cubes and 2 red ones, and the scale showed a weight of 22 g. on the second scale he had 2 blue cubes and 3 red ones, and the weight showing on the scale was 23 g. then he asked Scott to tell him the combined weight of 1 blue cube and 1 red cube. What was Scott’s answer?