In 1930, the average cost for a gallon of gasoline was $0.25. In 2007, the average cost for a gallon of gasoline is$2.60. What is the percent of increase rounded to the nearest whole number?

1 Answer
Oct 27, 2016

940% increase

Explanation:

From $1930 \text{ " rarr " } 2007$

" "$0.25 " "rarr " "$2.60

This is an increase of $2.35 % "increase" = ("amount of increase")/{"original amount") xx 100% = ($2.35)/(\$0.25) xx 100%

= 940% increase

(This means it has increased by more than 9 times!)