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The usual price of a bagel was reduced during a sale. How

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The usual price of a bagel was reduced during a sale. How

by BTGmoderatorLU » Wed Dec 19, 2018 3:01 pm

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Source: Princeton Review

The usual price of a bagel was reduced during a sale. How much money could be saved by purchasing 10 bagels at the sale price rather than at the usual price?

1) The usual price for a bagel is $0.50 per bagel.
2) The sale price for a bagel is $0.40 per bagel.

The OA is C
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Source: — Data Sufficiency |

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by Brent@GMATPrepNow » Wed Dec 19, 2018 4:53 pm

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BTGmoderatorLU wrote:The usual price of a bagel was reduced during a sale. How much money could be saved by purchasing 10 bagels at the sale price rather than at the usual price?
1) The usual price for a bagel is $0.50 per bagel.
2) The sale price for a bagel is $0.40 per bagel.
Target question: How much money could be saved by purchasing 10 bagels at the sale price rather than at the usual price?

Statement 1: The usual price for a bagel is $0.50 per bagel.
Since there's no information about the SALE price, there's no way to calculate the amount saved.
Since we cannot answer the target question with certainty, statement 1 is NOT SUFFICIENT

Statement 2: The sale price for a bagel is $0.40 per bagel.
Since there's no information about the REGULAR price, there's no way to calculate the amount saved.
Since we cannot answer the target question with certainty, statement 2 is NOT SUFFICIENT

Statements 1 and 2 combined
At the REGULAR price of $0.50 per bagel, 10 bagels costs $5.00
At the SALE price of $0.40 per bagel, 10 bagels costs $4.00
So, one would save $1 by purchasing 10 bagels at the sale price rather than at the usual price
Since we can answer the target question with certainty, the combined statements are SUFFICIENT

Answer: C

Cheers,
Brent
Brent Hanneson - Creator of GMATPrepNow.com
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