if you want free/ points then go to "my challenges" and stop farming off me, this is my final free/ points

ok!

Step-by-step explanation:

im gonna "answer"

so you have 18.5

you need to add 16 to get your final answer, l +b = c

OK it's impossible Bro to go to your challenge

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %