From November to December of 2015, the price per share of BP Oil dropped from $93.75 to $57.25. Exxon shares also dropped from $90.75 to $69.75. In November, your rich cousin invested $85,360.5 into a combination of BP and Exxon shares. By December they sold their shares for $55,480.5 losing $29,880 from their investment. How many of each stock did they purchase? They purchased BP shares and Exxon shares