I'm testing could somebody do this for me please.. I'm in class as well.

1) B
2a)7.5
2b)4
3a)$2.20 per pound
3b)4:1
4) 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