TO FIND A QUANTITY FROM A GIVEN PERCENTAGE OF A QUANTITY -
To find a quantity from a given percentage of a quantity, express the given percentage as a fraction and divide the given quantity by this fraction.
Example.1) If 30 % of a number is 120 then
30
The number would be = 120 ÷ -----------
100
100
= 120 X ---------- = 400 (Ans.)
30
Example.2) If 40 % of a number is 125 then
40
The number would be = 125 ÷ ---------
100
100
= 125 X ---------- = 312.5 (Ans.)
40