Question

In 2008, the price of gasoline was $2.79 per gallon. In 2009, the price of gasoline was

$3.79 per gallon. What is the percent of increased in the price of gasoline, rounded to
the nearest whole percent? Type in your number with NO decimals and a % after the number.

Answer 1

36%

Explanation:

line up $ and % data like this:

$2.79 represents 100%

$3.79 represents X%

cross multiply

X*2.79 = 3.79*100

divide both sides by 2.79

X= 3.79*100 / 2.79 ≈ 136%

so it increased 36%