Muliply 65 and 0.12 and get 7.8
Subtract 65-7.8 to get marked down price
57.2 is the price after markdown
We can create a formula first.
X will be the unknown number
840= 357+x
-357 -357
483 = x
Hope this helps
Whould you like to cash app flip turn 10 into 100
109. 85 the mixed number 109 85/100