U.S. GRADE & SUBJECT QUESTION BANKS
Grade 9 social studies.
2 skills. Questions, hints and worked examples.
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Worked example
At a price of 4 tokens, buyers demand 30 items and sellers supply 20. What shortage is shown at that price?
Answer & why
Answer: 10 items
Demand exceeds supply by 30 − 20 = 10 items.