Swimming pool was 9 meters wide with an area of 90 square. What is the length of the pool?

If the area is 90 square meters then, the answer is 10 meters long (length.)

Step-by-step explanation:

21

jk it's 20

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 %