13. I think it is miles To measure the distance from the U. S. to Istanbul, Turkey you would most likely use

A. feet.

B. miles.

C. yards.

D. inches.

There are no table and graph present in this problem

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