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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