Harry and Selma start driving from the same location. Harry drives 8 miles north while Selma drives 6 miles east. How far apart are Harry and Selma when they stop?

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