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 Post subject: Data Suff Page 99 Question 75Posted: Mon Aug 30, 2010 12:15 pm

Joined: Fri Aug 06, 2010 9:15 pm
Posts: 6

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 Post subject: Re: Data Suff Page 99 Question 75Posted: Tue Aug 31, 2010 6:11 pm

Joined: Thu Feb 12, 2009 6:32 pm
Posts: 497
With both statements we know that the price will go from \$1.00 to \$2.00. We also know that will be an increase of 4 * .25 (4 25 cent increases). This will result in new number sold of
N((.9)^4), where N is the current number sold.

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 Post subject: Re: Data Suff Page 99 Question 75Posted: Wed Sep 01, 2010 9:30 am

Joined: Fri Aug 06, 2010 9:15 pm
Posts: 6
I believe that you answered me the wrong question. I ask for the explanation on question 75 Page 99 but you answered me question 99 (but thanks for the answer on question 99) :)

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 Post subject: Re: Data Suff Page 99 Question 75Posted: Wed Sep 01, 2010 4:06 pm

Joined: Thu Feb 12, 2009 6:32 pm
Posts: 497

C = number of coconut pies
H = number of chocolate pies

C + H = 200

if 80 customers bought both, 80 chocolate pies and 80 coconut pies were sold to customers who bough both

so, for customers how only bought one pie, we are left with C + H = 40

(1) is sufficient. it tells us H = 0 in the above equation (C + H = 40), so he sold a total of 80 chocolate pies

(2) is also sufficient, 80 coconut pies were sold to customers who bought both and 40 were sold to customers who bought only one pie. That also makes H = 0 in C + H = 40

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