Question

Irena sells ice creams. One day she sells 80 ice creams. The next day she sells 108 ice creams. Work out the percentage increase in the number of ice creams she sells.

Answer 1

It increases 35%
(108*100)/80=135

135-100=35%

Answer 2

Change/original x 100
28/80 x 100, you will get 35.
The answer is 35%.