I can’t really see your picture
C= 2 x r where r = 8
C = 2 x 8
C = 16.
Hope I helped:)
Divide 630 by 30 then divide 798 by 42 finally divide 864 by 54 and ur answer for the sedan is :18 mpg then the minivan : 19 then the truck is :16
Answer;
Its a i just took the test