The annual Great Sofa Round-up is a collaborative event between Colorado State University and the City of Fort Collins aims to help students and neighbors get rid of unwanted furniture, while giving people in need access to inexpensive sofas. Suppose on the day of the Round-up, your friends take their couches to the main parking lot on campus where the Round-up is held. Raj will not sell his couch for less than $30, Emily will not sell her couch for less than $50, Nara will not sell her couch for less than $20, Sergio just wants to get rid of his couch and he is willing to give it away for free. At the Round-up, potential buyers think that all the couches available are basically the same and they are willing to buy a couch for $50. Who will sell their couch?
A) Raj, Emily, Nara, and Sergio
B) Raj, Nara, and Sergio
C) Emily, Nara, and Sergio
D) Emily

Question

Quizplus · Accepted Answer

All friends are willing to sell their couches at or below the buyer's price of $50. Raj, Emily, and Nara have minimum prices of $30, $50, and $20 respectively, which are all less than or equal to $50. Sergio is willing to give his couch away for free, so he will also sell.

The Annual Great Sofa Round-Up Is a Collaborative Event Between