2. Write a system of equations for
the following problem and graph the
system to determine the solution.
Record your work in Educreations
and submit.
3. A farmer can buy two types of fertilizer. Mix A
contains 30 pounds of phosphoric acid and 10
pounds of nitrogen. Mix B contains 40 pounds
of phosphoric acid and 50 pounds of nitrogen.
The soil test indicates that his corn field needs
320 pounds of phosphoric acid and 290 pounds
of nitrogen. How many barrels of each type of
fertilizer should the farmer buy to supply the
necessary nutrients for the corn field?