Context: Trade happens when people agree to exchange goods and services. People give up something to get something else. Sometimes people barter, or directly exchange one good or service for another.
Sarah and Dave open their lunch boxes in the school cafeteria. Both of them could be happier with their lunches. Sarah wanted broccoli in her lunch and Dave was hoping for tomatoes. Look at the images of their lunches. Then answer the question below.
What can Sarah and Dave trade to each get what they want?
A. Sarah can trade her tomatoes for Dave's broccoli.
B. Dave can trade his almonds for Sarah's tomatoes.
C. Sarah can trade her tomatoes for Dave's sandwich.
D. Dave can trade his broccoli for Sarah's oranges.
Choose the right answer from the options and respond with its letter.
Answer: A