Solve (x + 2<5) u (-7>-6).
O {XI-6 O xlx 3 or x> 1)
O {X1X< 0)

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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