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# An electrical supplies store sells 140 power stabilizers every week.

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Math Expert
Joined: 02 Sep 2009
Posts: 45213
An electrical supplies store sells 140 power stabilizers every week. [#permalink]

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27 Nov 2016, 01:54
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Difficulty:

35% (medium)

Question Stats:

74% (01:17) correct 26% (01:36) wrong based on 120 sessions

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An electrical supplies store sells 140 power stabilizers every week. If each power stabilizer costs the store $16, what is the minimum selling price per unit that will ensure a weekly profit of at least$5600 from sales of power stabilizers?

A. 24
B. 26
C. 40
D. 56
E. 60
[Reveal] Spoiler: OA

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Re: An electrical supplies store sells 140 power stabilizers every week. [#permalink]

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27 Nov 2016, 03:05
2
KUDOS
Bunuel wrote:
An electrical supplies store sells 140 power stabilizers every week. If each power stabilizer costs the store $16, what is the minimum selling price per unit that will ensure a weekly profit of at least$5600 from sales of power stabilizers?

A. 24
B. 26
C. 40
D. 56
E. 60

 No of Quantity ( SP - CP ) = Total Profit

140 ( s - 16 ) = 5600

So, s - 16 = 40

So, s = 56

Hence, correct answer will be (D) 56
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Senior Manager
Joined: 06 Jun 2016
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Concentration: Operations, Strategy
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An electrical supplies store sells 140 power stabilizers every week. [#permalink]

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27 Nov 2016, 03:52
Bunuel wrote:
An electrical supplies store sells 140 power stabilizers every week. If each power stabilizer costs the store $16, what is the minimum selling price per unit that will ensure a weekly profit of at least$5600 from sales of power stabilizers?

A. 24
B. 26
C. 40
D. 56
E. 60

Profit= Selling Prize - Cost Price
$5600 = (No. of units * SP per unit) - 140*16 5600 = 140* SP per unit - 140*16 5600 + 2240 = SP per unit = 7840/140 = 56 D Manager Joined: 29 Feb 2016 Posts: 106 Location: India GMAT 1: 700 Q49 V35 GPA: 3 Re: An electrical supplies store sells 140 power stabilizers every week. [#permalink] ### Show Tags 27 Nov 2016, 05:21 selling price - cost prize = profit 140(sp-16) = 5600 Sp = 40+16 56 _________________ Find what you love and let it kill you. — Charles Bukowski Target Test Prep Representative Status: Founder & CEO Affiliations: Target Test Prep Joined: 14 Oct 2015 Posts: 2597 Location: United States (CA) Re: An electrical supplies store sells 140 power stabilizers every week. [#permalink] ### Show Tags 30 Jan 2018, 11:22 1 This post received KUDOS Expert's post Bunuel wrote: An electrical supplies store sells 140 power stabilizers every week. If each power stabilizer costs the store$16, what is the minimum selling price per unit that will ensure a weekly profit of at least $5600 from sales of power stabilizers? A. 24 B. 26 C. 40 D. 56 E. 60 We use the profit formula: revenue - cost = profit. We can create the following inequality in which n = selling price per unit: 140n - 140 x 16 ≥ 5600 140(n - 16) ≥ 5600 n - 16 ≥ 40 n ≥ 56 Answer: D _________________ Scott Woodbury-Stewart Founder and CEO GMAT Quant Self-Study Course 500+ lessons 3000+ practice problems 800+ HD solutions Senior Manager Joined: 31 Jul 2017 Posts: 341 Location: Malaysia WE: Consulting (Energy and Utilities) An electrical supplies store sells 140 power stabilizers every week. [#permalink] ### Show Tags 31 Jan 2018, 11:41 Bunuel wrote: An electrical supplies store sells 140 power stabilizers every week. If each power stabilizer costs the store$16, what is the minimum selling price per unit that will ensure a weekly profit of at least \$5600 from sales of power stabilizers?

A. 24
B. 26
C. 40
D. 56
E. 60

Let $$x$$ be the selling price of each unit. So, from the passage we have -

$$5600 = x * 140 - 16 * 140$$
$$x = 56$$
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An electrical supplies store sells 140 power stabilizers every week.   [#permalink] 31 Jan 2018, 11:41
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