"Which method substitution or elimination would be the best to solve each system ? Explain why you chose that method." System A : 2x + 3y=9 at the bottom -3x+3y=-6 System B: x= 8-2y at the bottom y-x=4

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