If something in a store costs $45, and the markup is 35%, what is the selling price?

So you take the price u start with
45
Divide by 100
.45
Multiply by percent increase or decrease
.45 x 35 = 15.75
Add or subtract to original price (add if mark up, subtract if mark down)
45 + 15.75 = $60.75

$45100%
x35%
x=35*45          x=1575        x= 15.75
       100              100           
x+$45= ?
$15.75+$45 = $60.75