The width of the rectangle is 11.5
Solve for y so...
3y=-2x+1479
y= -2/3x + 493
then all you do after this is replace y with f(x) so....
f(x)= -2/3x + 493
The one with gallons because that one is $6 and the other one is $2 so gallon has a higher unit price
109. C. because you add up those numbers for the second flight and get 2341, subtract that from 2786 and get 445
110. A. add 784 to 524002 then subtract 2335 from that number
111. B. add 856 and 76
we can see from figure
AFC is sum of AFB and BFC
so,
option-B........Answer