Given a mean of 75 and a standard deviation of 7, what percentage of scores are between 54 and 96?

You just divide and you will find x

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