(180-30)/2 would be the equation and the answer is 150/2
Answer:
Length is 20 m and width is 4 m.
Step-by-step explanation:
Given:
Perimeter of the rectangular alley, 
Length is 5 times the width.
Let width be
.
So, as per question,
Length,
Now, perimeter of rectangle is given as:

Plug in 48 for
,
for
and
for b.

Therefore, width is 4 m.
Length is
m.
Answer:
half
Step-by-step explanation:
That is simple all you have to do is multiply the number of white cars by 9 and you will get your answer. 40*9=360