He starts with 15 points, so B and D are out right away. We can remove A, because he needs at least 55 points or more, so C is your answer.
Answer:
arithmetic
Step-by-step explanation:
It is arithmetic because the terms go up by 15 . That is the common difference is 15.
51 and the other one us 15 your welcome
Divide both sides by 5 since there are 5 friends, you would get 5x-23.