Answer:
The demand for gasoline was inelastic.
Step-by-step explanation:
In May 2011, the average price of gasoline in the United States was $3.76 per gallon.
During May 2010, when the average price of gasoline was $2.79 per gallon.
In May 2011, the consumers purchased 5 percent less gasoline.
Percentage change in price
=

= 34.76%
Price elasticity of demand
=

=

= 0.14
Since, the price elasticity is less than 1, it implies that demand was inelastic.