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Difficulty:
35%
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71% (01:29) correct
29%
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based on 2595
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Warehouse W's revenue from the sale of sofas was what percent greater this year than it was last year?
(1) Warehouse W sold 10% more sofas this year than it did last year
(2) Warehouse W's selling price per sofa was $30 greater this year than it was last year
(1) Warehouse W sold 10% more sofas this year than it did last year
(2) Warehouse W's selling price per sofa was $30 greater this year than it was last year
05 Mar 2013, 13:55
Kudos
Bookmarks
Hello,
Let me try helping you.
Warehouse W's revenue from the sale of sofas was what percent greater this year than it was last year?
1) Warehouse W sold 10% more sofas this year than it did last year
2) Warehouse W's selling price per sofa was $30 greater this year than it was last year
We need to find the percentage increase in the revenue of Warehouse X. This would normally be calculated as (X-Y)/X where would be the revenue this year and y would be the revenue last year.
Remember, Total revenue= Number of sofas sold * cost of sofas
Let us analyze the options now
1) This tells is about the percentage increase in sale of sofas. However, even though we know about the percentage increase in the number of sofas sold, we do not know anything about the selling price of these sofas in either years and hence, information is insufficient.
Statement 2) also gives us information about the difference in selling price per sofa in both years. However, we do not know the number of sofas sold. INSUFFICIENT.
Together,
we know that the price of the sofa increase by $30 this year. We also know something about the percentage increase in the number of sofas sold.
Let us consider the number of sofas sold to be x last year. The number of sofas sold this year would be 1.1x. Now, let us consider the price of sofa last year to be y. The current price of the sofa would be y+30.
Percentage change would involve two different variables as shown below
(1.1x(y+30)-xy)/xy
All terms might cancel out but we will be left with a 30/y and since, we do not know the value of these variable, it would not be possible to calculate the percentage change. INSUFFICIENT
Answer is E.
Method 2)
Another way to solve this problem is to imagine, the increase in price.
Statement 1) would turn out to be insufficient because of the reason statement above.
Statement 2) gives us the increase in the price of the sofa. However, the 30 increase might be a huge increase if the beginning price of the sofa was $40. However, if the beginning price of the sofa was $300, then the percentage change would be very small.
Together, by reasoning similar to 2), the percentage change in the revenue might be very big or very small depending on the last year price of sofas. Hence, INSUFFICIENT.
This question could have been solved if the statements had given us either percentages in both statements or exact values in both statements.
Hope this helps! Let me know if I can help you any further.
Let me try helping you.
Warehouse W's revenue from the sale of sofas was what percent greater this year than it was last year?
1) Warehouse W sold 10% more sofas this year than it did last year
2) Warehouse W's selling price per sofa was $30 greater this year than it was last year
We need to find the percentage increase in the revenue of Warehouse X. This would normally be calculated as (X-Y)/X where would be the revenue this year and y would be the revenue last year.
Remember, Total revenue= Number of sofas sold * cost of sofas
Let us analyze the options now
1) This tells is about the percentage increase in sale of sofas. However, even though we know about the percentage increase in the number of sofas sold, we do not know anything about the selling price of these sofas in either years and hence, information is insufficient.
Statement 2) also gives us information about the difference in selling price per sofa in both years. However, we do not know the number of sofas sold. INSUFFICIENT.
Together,
we know that the price of the sofa increase by $30 this year. We also know something about the percentage increase in the number of sofas sold.
Let us consider the number of sofas sold to be x last year. The number of sofas sold this year would be 1.1x. Now, let us consider the price of sofa last year to be y. The current price of the sofa would be y+30.
Percentage change would involve two different variables as shown below
(1.1x(y+30)-xy)/xy
All terms might cancel out but we will be left with a 30/y and since, we do not know the value of these variable, it would not be possible to calculate the percentage change. INSUFFICIENT
Answer is E.
Method 2)
Another way to solve this problem is to imagine, the increase in price.
Statement 1) would turn out to be insufficient because of the reason statement above.
Statement 2) gives us the increase in the price of the sofa. However, the 30 increase might be a huge increase if the beginning price of the sofa was $40. However, if the beginning price of the sofa was $300, then the percentage change would be very small.
Together, by reasoning similar to 2), the percentage change in the revenue might be very big or very small depending on the last year price of sofas. Hence, INSUFFICIENT.
This question could have been solved if the statements had given us either percentages in both statements or exact values in both statements.
Hope this helps! Let me know if I can help you any further.
08 Oct 2007, 20:50
Kudos
Bookmarks
young_gun
warehouse W's revenue from the sale of sofas was what percent greater this year than it was last year?
st1-warehouse w sold 10 percent more sofas this year than it did last year.
st2-warehouse w's selling price per sofa was $30 greater this year than it was last year.
st1-warehouse w sold 10 percent more sofas this year than it did last year.
st2-warehouse w's selling price per sofa was $30 greater this year than it was last year.
Another for E,
to answer the question we need to know either percent change in BOTH price and quantity (revenue=price x quantity) or exact values of prices and quantities.
