If 16 pens cost Rs. 144, what is the cost of one pen? How many pens can I buy with Rs. 90?
Step 1: Finding cost of 1 pen
The cost of 16 pens
The cost of 1 pen
Step 2: Number of Pens in
In we get
In we get
In we get
Hence,the cost of 1 pen is and in we will get 10 pens