The price of a share of arbor's stock increased from 24 1/2 to 36 1/2. how many points did the stock increase? (points : 1)

The increase in point's in stock are:

12 points.

The price of a share of Arbor's stock increased from 24 1/2 to 36 1/2.

i.e. initial stocks were= 24 1/2

it is given in mixed fraction we will change this to improper fraction as:

similarly the changed value of stocks is:36 1/2

On changing this mixed fraction value to improper fraction we get:

Now, the change in the stock's value is:

Hence, the stock's increased by:

12 points.

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 %