A quantity increases by 25% and becomes 100. What was the original quantity?
Note
Let the original quantity be x. After a 25% increase, the new value is 125% of x, so 1.25x = 100. Dividing gives x = 80.
A quantity increases by 25% and becomes 100. What was the original quantity?
Let the original quantity be x. After a 25% increase, the new value is 125% of x, so 1.25x = 100. Dividing gives x = 80.