Answer:
It is 27.4
Step-by-step explanation:
First you need to find the area of the three rectangle.
Area=base*high
You do 4*2 for about 3 times
Which is 8 for 4*2
Then you multiply it 3 more time and get 24.
After that you add 24+1.7+1.7 and get 27.4
we have
we know that
substitute
Factor 2
$8.29
Divide 4 by 33.16.
It would add a 0
b = 28
8*21 then 168/6 = 28
