What number is halfway between 3000 and 4000

For this case, what we should do is calculate the average of 3000 and 4000.

For this, we use the following relationship:

Substituting values we have:

Rewriting and simplifying the expression we have:

A number that is halfway between 3000 and 4000 is:

3500

a. the are of the rectangle is 18.25

b. 18.25 times two is 36.50

rae me : d