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Last Friday a certain shop sold 3/4 of the sweaters in its
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04 Feb 2018, 03:17
04 Feb 2018, 03:17
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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 these 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.
(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.
Re: Last Friday a certain shop sold 3/4 of the sweaters in its
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04 Feb 2018, 04:22
04 Feb 2018, 04:22
Expert Reply
broall
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 these 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.
(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.
We require to know the number of sweater to answer these question.
(1) When the shop opened last Friday, there were 160 sweaters in its inventory.
Straight answer ...
\(\frac{3}{4}*20*160=2400\)
Sufficient
(2) All but 40 sweaters in the shop’s inventory were sold last Friday.[/quote]
This tells us that \(1-\frac{3}{4}\) of sweaters are 40..
So total = 40*4/1=160..
Ans same as above
Sufficient
D
Re: Last Friday a certain shop sold 3/4 of the sweaters in its
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05 Jan 2019, 03:09
05 Jan 2019, 03:09
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chetan2u
broall
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 these 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.
(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.
We require to know the number of sweater to answer these question.
(1) When the shop opened last Friday, there were 160 sweaters in its inventory.
Straight answer ...
\(\frac{3}{4}*20*160=2400\)
Sufficient
(2) All but 40 sweaters in the shop’s inventory were sold last Friday.
So total = 40*4/1=160..
Ans same as above
Sufficient
D[/quote]
Just have a query on this question, per stated statement, it's not clear whether any purchase made on Friday. Hence, in this case, do we need to assume that there were no purchase made. If not, then answer must be E
