3X-8=-4X+6 7X-8=6 7X=14 X=14\7=2
Answer : There are 13 fish food bags are could fit in a box of size
.
Explanation :
Length of box =
ft
Length of fish food box =
ft
Number of fish food boxes could fit in a box = 
Number of fish food boxes could fit in a box 
Hence, there are 13 fish food bags are could fit in a box of size
.
I think its D)
Because when you look at the x-axis 3 and go up to the y-axis its 4