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Each working at a constant rate, Rachel assembles a brochure

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GRE Prep Club Legend
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Joined: 07 Jun 2014
Posts: 4856
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 102

Kudos [?]: 1742 [0], given: 397

Each working at a constant rate, Rachel assembles a brochure [#permalink] New post 15 Jul 2018, 02:59
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00:00

Question Stats:

90% (00:59) correct 10% (00:00) wrong based on 10 sessions
Each working at a constant rate, Rachel assembles a brochure every 10 minutes and Terry assembles a brochure every 8 minutes.

Quantity A
Quantity B
The number of minutes it will take Rachel and Terry, working together, to assemble 9 brochures
\(40\)


A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

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Sandy
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GRE Prep Club Legend
GRE Prep Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4856
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 102

Kudos [?]: 1742 [0], given: 397

Re: Each working at a constant rate, Rachel assembles a brochure [#permalink] New post 15 Jul 2018, 03:36
Expert's post
Explanation

“Cheat” off the easier quantity.

In 40 minutes (from Quantity B), Rachel would assemble 40 ÷ 10 = 4 brochures and Terry would assemble 40 ÷ 8 = 5 brochures, for a total of 4 + 5 = 9 brochures.

Thus, Quantity A is also 40, and the two quantities are equal.
_________________

Sandy
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Re: Each working at a constant rate, Rachel assembles a brochure   [#permalink] 15 Jul 2018, 03:36
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Each working at a constant rate, Rachel assembles a brochure

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