This week at the farmer's market the price of oranges per pound has decreased by 15% compared to last week. If the price of oranges this week is $2.89, which equation would represent the price of oranges per pound last week, p? A. p=.85(2.89)

B. p=.15(2.89)

C. 2.89=0.15p

D. 2.89=0.85p