Solve for b
-3(6b + 4) = 2(-5b+10)
b=

The answer to this question is c

Iam not sure but i think the answer is b

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