Petrol costing 80p a litre has a price increase of 20%. what is the cost per litre now? !

So new price of per liter petrol is 96 p

Step-by-step explanation:

Given:

Price of Petrol = 80p

Increase in price = 20%

To find :

Cost per liter = ?

Solution:

As it is given that old price of petrol is 80p

Increase in price = 20 % of Old Price

New Price = Old price + Increase in price

Now first we will find increase in price

Increase in price = 20 % of 80

It could be written as

                            =

                            =

Increase in price = 16 p

New price = old price + original price

                  = 80 p  + 16 p

                  = 96 p

So new price of per liter petrol is 96 p