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For each order, a mail order bookseller charges a fixed

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For each order, a mail order bookseller charges a fixed [#permalink]

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New post 15 Jun 2008, 19:28
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Difficulty:

  75% (hard)

Question Stats:

55% (01:26) correct 45% (01:07) wrong based on 116 sessions

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For each order, a mail order bookseller charges a fixed processing fee and an additional shipping fee for each book in the order. Rajeev placed five different orders with this bookseller - an order for 1 book in January, an order for 2 books in February, an order for 3 books in March, an order for 4 books in April, and an order for 5 books in May. What was the total of Rajeev's processing and shipping fee for these five orders?

(1) Rajeev's processing and shipping fees were $1 more for his order in March than for his order in January
(2) The total of Rajeev's shipping fees for the five orders was $7.50
[Reveal] Spoiler: OA

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Re: For each order, a mail order bookseller charges a fixed [#permalink]

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New post 15 Jun 2008, 19:48
gmat blows wrote:
For each order, a mail order bookseller charges a fixed processing fee and an additional shipping fee for each book in the order. Rajeev placed five different orders with this bookseller - an order for 1 book in January, an order for 2 books in February, an order for 3 books in March, an order for 4 books in April, and an order for 5 books in May. What was the total of Rajeev's processing and shipping fee for these five orders?

1) Rajeev's processing and shipping fees were $1 more for his order in March than for his order in January
2) The total of Rajeev's shipping fees for the five orders was $7.50


E.
Both gives us shipping fees

total pro.fee + ship fee = pf(5) + sf(15)
[ (pf + sf) + (pf+ 2sf)...]

1) we can find shipping fee, insuff alone.
(pf + 4sf) - (pf + 3sf)
2) sf (15) = 7.20

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Re: For each order, a mail order bookseller charges a fixed [#permalink]

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New post 15 Jun 2008, 20:10
I choose E. ans can not be determined.
By 1 we get the shipping fees but not the processing fees.
By 2 same.

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Re: For each order, a mail order bookseller charges a fixed [#permalink]

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New post 16 Jun 2008, 07:00
E for me as well. both statements give you only shipping fee, no info on processing fee.

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Re: For each order, a mail order bookseller charges a fixed [#permalink]

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New post 16 Jun 2008, 07:27
gmat blows wrote:
For each order, a mail order bookseller charges a fixed processing fee and an additional shipping fee for each book in the order. Rajeev placed five different orders with this bookseller - an order for 1 book in January, an order for 2 books in February, an order for 3 books in March, an order for 4 books in April, and an order for 5 books in May. What was the total of Rajeev's processing and shipping fee for these five orders?

1) Rajeev's processing and shipping fees were $1 more for his order in March than for his order in January
2) The total of Rajeev's shipping fees for the five orders was $7.50



1: y+x+1=y+3x --> 1=2x --> 1/2=x Nothing about the fixed fee.

2: 15x=7.50

again x=1/2

Insuff.

Together: insuff.

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Re: For each order, a mail order bookseller charges a fixed [#permalink]

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New post 16 Jun 2008, 07:49
gmat blows wrote:
For each order, a mail order bookseller charges a fixed processing fee and an additional shipping fee for each book in the order. Rajeev placed five different orders with this bookseller - an order for 1 book in January, an order for 2 books in February, an order for 3 books in March, an order for 4 books in April, and an order for 5 books in May. What was the total of Rajeev's processing and shipping fee for these five orders?

1) Rajeev's processing and shipping fees were $1 more for his order in March than for his order in January
2) The total of Rajeev's shipping fees for the five orders was $7.50



Statement says :
"a mail order bookseller charges a fixed processing fee and an additional shipping fee for each book in the order"
S = additional fee.
P = processing fee.
J - S + P
F - S + S + P
Ma - S + S + S + P
A - S + S + S + S + P
M - S + S + S + S + S + P
total = 15S + 5P

1) 1) Rajeev's processing and shipping fees were $1 more for his order in March than for his order in January
Ma - J = 1
S + S + S + P - (S + P) = 1
2S = 1
S = 1/2

2) 15S + 5P = 7.5
15*1/2 + 5P = 7.5

Sounds like processing fee is zero :-)
My answer is C.

whats the OA?

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Re: For each order, a mail order bookseller charges a fixed [#permalink]

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New post 16 Jun 2008, 07:56
IMO E is the answer on this

both statements give us the shipping fee but dont define what is the processing fee

therefore E should be the answer
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Re: For each order, a mail order bookseller charges a fixed [#permalink]

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New post 16 Jun 2008, 15:27
OA is E.

good explanation, alpha. thanks.

alpha_plus_gamma wrote:

E.
Both gives us shipping fees

total pro.fee + ship fee = pf(5) + sf(15)
[ (pf + sf) + (pf+ 2sf)...]

1) we can find shipping fee, insuff alone.
(pf + 4sf) - (pf + 3sf)
2) sf (15) = 7.20

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Re: For each order, a mail order bookseller charges a fixed [#permalink]

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Re: For each order, a mail order bookseller charges a fixed [#permalink]

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New post 16 Feb 2017, 22:41
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Let f be processing fee per order and x $ as shipping charge per book.
So Total charge for Rajiv's order is 5f+15x (jan to may)

Statement 1.
Charge for Jan = f+ x
Charge for March = f+ 3x

Difference is 2x = 1$
x= 0.5$

Statement 2.

Total shipping charge is 5x+4x+3x+2x+1x= 15x
15x=7.5$
x=0.5$

Combining both all we get is shipping charges per book. Still couldnt find f.
hence ans (E)
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Re: For each order, a mail order bookseller charges a fixed   [#permalink] 16 Feb 2017, 22:41
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