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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73% (01:44) correct 
