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100 points for $49 worth of Veritas practice GMATs FREE VERITAS PRACTICE GMAT EXAMS Earn 10 Points Per Post Earn 10 Points Per Thanks Earn 10 Points Per Upvote ## Last Friday a certain shop sold 3/4 of the sweaters in its tagged by: AAPL ##### This topic has 2 expert replies and 0 member replies ### Top Member ## Last Friday a certain shop sold 3/4 of the sweaters in its ## Timer 00:00 ## Your Answer A B C D E ## Global Stats Difficult GMAT Paper Tests Last Friday a certain shop sold 3/4 of the sweaters in its inventory. Each sweater sold for$20. What was the total revenue last Friday from the sale of this sweaters?

1) When the shop opened last Friday, there were 160 sweaters in its inventory.
2) All but 40 sweaters in the shop's inventory were sold last Friday.

OA D.

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AAPL wrote:
GMAT Paper Tests

Last Friday a certain shop sold 3/4 of the sweaters in its inventory. Each sweater sold for $20. What was the total revenue last Friday from the sale of this sweaters? 1) When the shop opened last Friday, there were 160 sweaters in its inventory. 2) All but 40 sweaters in the shop's inventory were sold last Friday. Given: Last Friday a certain shop sold 3/4 of the sweaters in its inventory. Each sweater sold for$20.

Target question: What was the total revenue last Friday from the sale of this sweaters?

Statement 1: When the shop opened last Friday, there were 160 sweaters in its inventory.
3/4 of 160 = 120
So, 120 sweaters were sold at a cost of $20 per sweater. 120 x$20 = $2400. So, the total revenue from sweaters was$2400
Since we can answer the target question with certainty, statement 1 is SUFFICIENT

Statement 2: All but 40 sweaters in the shop's inventory were sold last Friday.
If 3/4 of sweaters were sold, then 1/4 of the sweaters were NOT sold
In other words, 40 represents 1/4 of the sweater inventory on Friday morning.
1/4 of 160 = 40
So, when the shop opened last Friday, there were 160 sweaters in the inventory
IMPORTANT: we've now arrived at a point that's the same as statement 1.
So, if statement 1 is sufficient, it must be the case that statement 2 is sufficient.

Cheers,
Brent

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AAPL wrote:
GMAT Paper Tests

Last Friday a certain shop sold 3/4 of the sweaters in its inventory. Each sweater sold for $20. What was the total revenue last Friday from the sale of this sweaters? 1) When the shop opened last Friday, there were 160 sweaters in its inventory. 2) All but 40 sweaters in the shop's inventory were sold last Friday. OA D. Say the inventory of sweaters in the shop on last Friday was x, thus 3x/4 numbers of sweaters were sold. Total revenue last Friday from the sale of this sweaters = 3x/4 * 20 = 15x. If we get the value of x, we get the answer. Question rephrased: What's the value of x, the inventory of sweaters in the shop last Friday? Let's take each statement one by one. 1) When the shop opened last Friday, there were 160 sweaters in its inventory. => x = 160. Sufficient. 2) All but 40 sweaters in the shop's inventory were sold last Friday. => x - 40 = 3x/4 => x = 160. Sufficient. The correct answer: D Hope this helps! -Jay _________________ Manhattan Review GMAT Prep Locations: Manhattan Review Mumbai | Hyderabad | GRE Prep Warangal | Begumpet GRE Coaching | and many more... Schedule your free consultation with an experienced GMAT Prep Advisor! Click here. • Free Trial & Practice Exam BEAT THE GMAT EXCLUSIVE Available with Beat the GMAT members only code • Magoosh Study with Magoosh GMAT prep Available with Beat the GMAT members only code • Get 300+ Practice Questions 25 Video lessons and 6 Webinars for FREE Available with Beat the GMAT members only code • 5-Day Free Trial 5-day free, full-access trial TTP Quant Available with Beat the GMAT members only code • 1 Hour Free BEAT THE GMAT EXCLUSIVE Available with Beat the GMAT members only code • FREE GMAT Exam Know how you'd score today for$0

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