Answer: -11
Step-by-step explanation:
The Havana Lounge and Chez Lin's both sell manicures. The market price of one manicure is $25. The Havana Lounge is willing to sell a manicure for $17, Chez Lin's is willing to sell a manicure for $19. its subtraction because its saying The Havana Lounge is willing to sell a manicure, "sell" means to subtract. you start off with $25-$17= $12-19= -11. So your answer will be -11.