21. Amina receives a gross fortnightly salary of $2987 and has deductions of $898.75
for income tax, $68.30 for health fund payments, $756 for car loan payments and
$14.75 for her union subscription.

show us the picture

step-by-step explanation:

show the !

first one because it can't have a fraction in it

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 %