If you go to red lobster to eat and spend 125$ and the waitress was great so the point is that you have to do it as an decimal.. so that is what you are going to have to do. you will then now how much you spend in total so know you know how many money you have

you find the sale price of 25% by you know dividing by  the price (the percentage) by the sale price that is like really like and 100 so it can give you reference about the number is to little you have like reference. you can also do it another way but i like to do it this way. that is how i find the sale price of 25%