Hi All,
We're told that 30 wallets were sold at a store. We're asked for the RANGE in the prices (meaning the largest price - smallest price). This question can be solved by TESTing VALUES.
1) 1/3 of the wallets had a selling price of $24 each.
This Fact tells us that 10 (of the 30) wallets had a price of $24, but we don't know the largest price nor the smallest price of the group, so there are clearly multiple answers to this question.
Fact 1 is INSUFFICIENT
2) The lowest selling price of the wallets was 1/3 the highest selling price of the wallets.
IF....
The lowest price = $10
Then the largest price = $30
And the range = $20
IF....
The lowest price = $15
Then the largest price = $45
And the range = $30
Fact 2 is INSUFFICIENT
Combined, no additional work is needed. Both examples in Fact 2 could include the 10 wallets that cost $24 each (without impacting the lowest or largest prices of the other wallets) and lead to different answers.
Combined, INSUFFICIENT
Final Answer:
GMAT assassins aren't born, they're made,
Rich
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