Question

A McDonald's cheeseburger cost $0.79 in 1999. Today that cheeseburger costs $1.00. What is the percent change?

A) 26.58% Increase
B) 21% Decrease
C) 21% Increase
D) 26.58% Decrease

Answer 1

26.58% Increase

Explanation:

Using the formula %Increase=100×final-initial/initial

%Increase=100×1-0.79/0.79=26.58%

Answer 2

The percentage change from 0.79 to 1.00 is 26.58 % increase

Explanation:

((1.00 - 0.79) / 0.79) * 100 = 26.58%