Answer:
so to know full price of granola bars and rice packs; you would multiply 1.09 × 4 for the rice which you get 4.36 then for granola bars you do 4.29 × 3 and you get 12.87 then you add 12.87 + 4.36 = 17.23 then you subtract this from the $$ Mr.Jones has which is 40 so its 40-17.23 and you get 22.77
The answer is (2,3). If you plot each answer choice you'll see that (2,3) is the only one that is within the shaded area, which means that it satisfies the given system of innequalities.