Solve 5(8x + 4) = 300 . PLEASE HELP ME IT'LL MAKE MY DAY​

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Wrote and expression for the difference of p and 4

This is about circle theorems. someone asap : (