PCBT 3 Determine the number of combinations of n dierent elements takenr at a time to solve problems. PCBTSJ Explain, using examples, the difference betweena permutation and a combination. Use the tattooing information 1'0 ansn-'er the next question. If 14 different types of fruit are available, how many different fruit salads could be made using exactly 5 types of fruit? Student 1 Kevin used 14'. to solve the problem. Student 2 Ron suggested using 14 P5. Student 3 Michelle solved the problem using 15C; . Student 4 Jackie thought that 5 B; would give the correct answer. 14 I .5. Student 5 Stan decided to use ' 1-4. The correct solution would be obtained by student number and student number . (PCS. 1) PCBT 3.3 Determine the number of combinations of r1 different elements taken r at a time to solve a problem. 15. At a meeting every person shakes hands with every other person exactly once. If there are 35 handshakes in total, how many people were at the meeting? (PC3J) .4. Ma th 301