Answer: 6 days
Explanation: If he washes 75 cars in 5 days; and you need to find how many days it takes to wash 90 you do 75 divided by 5 which is 15; so he washes 15 cars in a day, then do 90 divided by 15 which is 6 days
I believe since the definition of perimeter is adding the lengths of all three sides of the angles the, width of the rectangle would be 5, and the length of the rectangle would be 10.
10
+10
-------
20
+5
------
25
+5
------
30
And that is you answer, yay!
D because the top and the bottom are faces and the middle is a face
What you do is add up all the values, then divide by the number of values.

The average of the data is
4.8575.