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The price of gasoline at a service station increased from $1.65 per ga [#permalink] ### Show Tags 22 Jun 2018, 22:37 1 16 00:00 Difficulty: 45% (medium) Question Stats: 71% (02:17) correct 29% (02:24) wrong based on 540 sessions ### HideShow timer Statistics The price of gasoline at a service station increased from$1.65 per gallon last week to $1.82 per gallon this week. Sally paid$26.40 for gasoline last week at the station. How much more will Sally pay this week at the station for the same amount of gasoline?

A. $1.70 B.$2.55

C. $2.64 D.$2.72

E. $2.90 NEW question from GMAT® Official Guide 2019 (PS13159) _________________ Intern Joined: 21 May 2017 Posts: 42 Re: The price of gasoline at a service station increased from$1.65 per ga  [#permalink]

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22 Jun 2018, 22:49
2
1

Gasoline = 26.40/1.65 = 16 galloons
Price difference = (1.82-1.65) = $0.17 per gallon Price difference for 16 gallons = (0.17*16) = 2.72 Sent from my ONEPLUS A3003 using GMAT Club Forum mobile app Senior PS Moderator Joined: 26 Feb 2016 Posts: 3339 Location: India GPA: 3.12 The price of gasoline at a service station increased from$1.65 per ga  [#permalink]

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23 Jun 2018, 01:34
2
Bunuel wrote:
The price of gasoline at a service station increased from $1.65 per gallon last week to$1.82 per gallon this week. Sally paid $26.40 for gasoline last week at the station. How much more will Sally pay this week at the station for the same amount of gasoline? A.$1.70

B. $2.55 C.$2.64

D. $2.72 E.$2.90

NEW question from GMAT® Official Guide 2019

(PS13159)

Since the price of gasoline goes up from $1.65 to$1.82 from last week to now,
the amount that Sally spends on gasoline also goes up by a similar margin.

As, 1.65 -> 26.40 | 1.82 -> x(amount Sally spent on gasoline)

$$1.65 * x = 26.40 * 1.82$$ ->$$x = 26.40 * \frac{1.82}{1.65} = 29.12$$

Therefore, Sally spends $$29.12 - 26.40 = 2.72$$(Option D) more on gasoline this week.
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Re: The price of gasoline at a service station increased from $1.65 per ga [#permalink] ### Show Tags 25 Jun 2018, 03:44 1 Solution Given: • The price of gasoline at a service station increased from$1.65 per gallon to $1.82 per gallon • Sally paid$26.40 for last gasoline last week

To find:
• What will be the equivalent price Sally have to pay this week, due to price increase

Approach and Working:
• Increase in price per gallon = $$(1.82 - 1.65) = 0.17$$

Therefore, we can say:
• In $1.65 the cost increases$0.17
Or, in $26.40 the cost increases $$\frac{0.17}{1.65} * 26.40 = 2.72$$ Hence, the correct answer is option D. Answer: D _________________ | '4 out of Top 5' Instructors on gmatclub | 70 point improvement guarantee | www.e-gmat.com Target Test Prep Representative Status: Head GMAT Instructor Affiliations: Target Test Prep Joined: 04 Mar 2011 Posts: 2827 Re: The price of gasoline at a service station increased from$1.65 per ga  [#permalink]

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27 Jun 2018, 17:05
Bunuel wrote:
The price of gasoline at a service station increased from $1.65 per gallon last week to$1.82 per gallon this week. Sally paid $26.40 for gasoline last week at the station. How much more will Sally pay this week at the station for the same amount of gasoline? A.$1.70

B. $2.55 C.$2.64

D. $2.72 E.$2.90

Since $26.40 bought 26.40/1.65 = 16 gallons last week, and this week she has to pay 1.82 - 1.65 =$0.17 more per gallon, she has to pay 16 x 0.17 = $2.72 more this week for the same amount of gasoline. Answer: D _________________ Jeffery Miller Head of GMAT Instruction GMAT Quant Self-Study Course 500+ lessons 3000+ practice problems 800+ HD solutions Intern Joined: 26 Jul 2018 Posts: 13 Re: The price of gasoline at a service station increased from$1.65 per ga  [#permalink]

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06 Sep 2018, 21:15
1
JeffTargetTestPrep wrote:
Bunuel wrote:
The price of gasoline at a service station increased from $1.65 per gallon last week to$1.82 per gallon this week. Sally paid $26.40 for gasoline last week at the station. How much more will Sally pay this week at the station for the same amount of gasoline? A.$1.70

B. $2.55 C.$2.64

D. $2.72 E.$2.90

Since $26.40 bought 26.40/1.65 = 16 gallons last week, and this week she has to pay 1.82 - 1.65 =$0.17 more per gallon, she has to pay 16 x 0.17 = $2.72 more this week for the same amount of gasoline. Answer: D How to easily calculate this 26.40/1.65 = 16? Manager Joined: 11 Aug 2018 Posts: 89 Location: Pakistan GPA: 2.73 Re: The price of gasoline at a service station increased from$1.65 per ga  [#permalink]

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10 Sep 2018, 02:29
2
EgmatQuantExpert wrote:

Solution

Given:
• The price of gasoline at a service station increased from $1.65 per gallon to$1.82 per gallon
• Sally paid $26.40 for last gasoline last week To find: • What will be the equivalent price Sally have to pay this week, due to price increase Approach and Working: • Increase in price per gallon = $$(1.82 - 1.65) = 0.17$$ Therefore, we can say: • In$1.65 the cost increases $0.17 Or, in$26.40 the cost increases $$\frac{0.17}{1.65} * 26.40 = 2.72$$

Hence, the correct answer is option D.

Gasoline = 26.40/1.65 = 16 galloons
16*1.82 = 29.12
29.12-26.40=2.72

Hello egmat Pyal the problem here is the process i mentioned to solve this question is more natural to me but the problem is it takes lot of calculation i am unable to map out the clean and easy way in any GMAT question as you have done. if you could help me find how to do fewer calculations like your method. i would be really obliged.
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12 Feb 2019, 03:48
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Re: The price of gasoline at a service station increased from $1.65 per ga [#permalink] ### Show Tags 12 Feb 2019, 03:59 Bunuel wrote: The price of gasoline at a service station increased from$1.65 per gallon last week to $1.82 per gallon this week. Sally paid$26.40 for gasoline last week at the station. How much more will Sally pay this week at the station for the same amount of gasoline?

NEW question from GMAT® Official Guide 2019

(PS13159)

He filled, this much liters last week = 26.40 / 1.65 = 16

This week he will fill = 16 * 1.82 = 29.12

Difference = 29.12 - 26.40

D. $2.72 _________________ If you notice any discrepancy in my reasoning, please let me know. Lets improve together. Quote which i can relate to. Many of life's failures happen with people who do not realize how close they were to success when they gave up. Board of Directors Status: QA & VA Forum Moderator Joined: 11 Jun 2011 Posts: 4382 Location: India GPA: 3.5 WE: Business Development (Commercial Banking) Re: The price of gasoline at a service station increased from$1.65 per ga  [#permalink]

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12 Feb 2019, 10:16
Bunuel wrote:
The price of gasoline at a service station increased from $1.65 per gallon last week to$1.82 per gallon this week. Sally paid $26.40 for gasoline last week at the station. How much more will Sally pay this week at the station for the same amount of gasoline? A.$1.70

B. $2.55 C.$2.64

D. $2.72 E.$2.90

NEW question from GMAT® Official Guide 2019

(PS13159)

$$\frac{2640}{165}*182$$

$$= 2912$$

This, Difference is $$2912 - 2640 = 272$$, Answer must be (D)
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