Eight pens cost $9.20. What is the unit price?
2 Answers
Unit price of pen is
Explanation:
As
Unit price of pen is
In support of Shwetank
The unit price (price of 1) is $1.15
Explanation:
Shwetanks method is the one every one uses ( including me ) once they have got used to this type of question and understand what is going on.
Using ratio method
We have 8 pens at a total cost of $9.20
Objective: To find the price of one pen (unit price)
As a ratio we have:
But we need to change the 8 into 1. We can do this by adopting
So the unit price (price of 1) is $1.15