Sweater

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moneyman: Master | Next Rank: 500 Posts; Posts: 468; Joined: Sat Mar 03, 2007 10:17 pm; Thanked: 5 times

by moneyman » Fri Nov 21, 2008 10:02 am

Is it C?

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Maxx

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Source: Beat The GMAT — Data Sufficiency | Fri Nov 21, 2008 10:02 am

srisl11: Senior | Next Rank: 100 Posts; Posts: 72; Joined: Thu Nov 06, 2008 10:27 am; Location: Pittsburgh; Thanked: 4 times

by srisl11 » Fri Nov 21, 2008 10:10 am

Let n be total number if sweaters sold during the season

Revenue per sweater = >Selling Price per 1 sweater(SP) - Cost Price per sweater(CP) = Total revenue/n

from st 1 SP- CP = 270/n
But SP = CP + 30 (fron the question)
CP+30- CP = 270/n
Solving n = 9

Sufficient

From st 2,
SP = (150/100)CP
No sufficient info to find the number of Sweaters

So IMO A

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scoobydooby: Legendary Member; Posts: 1035; Joined: Wed Aug 27, 2008 10:56 pmFollowed by: 1 member; Thanked: 104 times

by scoobydooby » Fri Nov 21, 2008 10:13 am

srisl11 wrote:Let n be total number if sweaters sold during the season

Revenue per sweater = >Selling Price per 1 sweater(SP) - Cost Price per sweater(CP) = Total revenue/n

from st 1 SP- CP = 270/n
But SP = CP + 30 (fron the question)
CP+30- CP = 270/n
Solving n = 9

Sufficient

From st 2,

SP = (150/100)CP
No sufficient info to find the number of Sweaters

So IMO A

sris11,
but isnt 270 revenue/sales and not profit?

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srisl11: Senior | Next Rank: 100 Posts; Posts: 72; Joined: Thu Nov 06, 2008 10:27 am; Location: Pittsburgh; Thanked: 4 times

by srisl11 » Fri Nov 21, 2008 10:26 am

scoobydooby wrote: sris11,
but isnt 270 revenue/sales and not profit?

I think you are right Scoobydooby ....good that I learnt it here ...not at the real GMAT test ...

Don't want to experience this in GMAT....Experience is the best teacher but she sends in terrific bills

statement 1 nSP = 270

Statement 2 SP = 150/100 CP
CP +30 = 3/2 CP
CP = 60
Then SP = 60 + 30 = 90

from st 1 90n = 270
n= 3

IMO C

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