I also need to show my work plz help

Girls percentage - 55%

Glasses - 6 girls

Step-by-step explanation:

girls - 30 of them, 30/55=0.545454545= round to 2 decimal points which is  55%

30 * .20 = 6

step-by-step explanation:

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 %