After the realize of S.6 results, a tarmac dance started at 7:30pm. Given that the D.J played a fresh song after every 5 minutes and no song was played more than once, a. Generate a formula showing the relationship between songs played and time taken. 8. b. Given that the last song stopped playing at exactly 11:30pm, using the formula in (a) above, how many songs did the D.J play in total?​