A method in which the value of a unit quantity is first calculated to get the value of the required quantity is known as the
The method in which the value of a unit quantity is first calculated to get the value of the required quantity is known as the unitary method.
For example: If the cost of 5 pens is given and cost of 17 pens is to be found, then first the cost of 1 pen should be calculated by dividing 17 by 5 which gives the price of a pen. After this, the cost of any desired number of pens can be calculated.