Answer:
(2,2) and (3,1)
Step-by-step explanation:
Since we're given the value of y in the second equation, we can replace the y on the left side of the first equation with 4-x, giving us

We can factor the expression on the right to get us

Solving
and
gets us the solutions
, which we can plug into the second equation to get us

So, our solution set is the pair of points (2,2) and (3,1)
Matt sold the most, figure out the percentages of each by diving the top number by the bottom number.
Answer: D
Step-by-step explanation:
it equals 15/12