Question

If x is 20% less than y, find : `"x"/("y" - "x")`

Answer 1

Let y = 100

then reduction = 20% = 20

then x = 100 - 20 = 80

`"x"/("y" - "x") = 80/(100 - 80) = 80/20 = 4/1 = 4`  ...(Dividing by 20)