Cheese sticks that were previously priced at
"5 for $1" are now "4 for $1". find the percent increase in the price per cheese stick.

Answer

Find out the percent increase in the price per cheese stick.

To prove

As given

Cheese sticks that were previously priced at  "5 for $1" are now "4 for $1".

i.e previously the price of the 5 cheese stick is $1 .

                                      = 0.2

Now the price of the 4 cheese stick is $1 .

                                      = 0.25

Change in price per cheese stick =  now price - previous price

                                                       = 0.05

Formula

Put all the value in the formula

                                            = 25%

Therefore the percent increase in the price per cheese stick is 25%.