Find the solution to the following system of equations: {x+2y=−12x−3y=5

A. (13,−7)
B. (−7,3)
C. (1,−1)
D. (5,−3)

The answer should be c.

So don't take my word i'm not exactly a mathematical person but i would assume a. because while selling the soap every month you increase in sells so you would by 11 percent. the you would get the factor 0.89 which if i had to guess would be the monthly profit over 11 probably wrong tho