A store wants to make $25 more on an item, in order to do so they need to find out what percent they will mark it up by. How much would they need to mark up an item that costs $40?

60%

Step-by-step explanation:

To identify the change percentage you have to use following formula

(a2-a1) / a1

Here a1=25, a2=40

(40-25) / 25

15/26

0.60

To get the percentage you need to. multiply by 100

0.60*100

60%