16. Five mark exercise problems - I

The cost of a chocolate is \(Rs\). \((x + y)\) and Amir bought \((x + y)\) chocolates. Find the total amount paid by him in terms of \(x\) and \(y\). If \(x = 10\), \(y = 5\), find the amount paid by him.

 

Answer:

 

The total amount paid by Amir in terms of \(x\) and \(y\) is

 

If \(x = 10\), \(y = 5\), then the amount paid by him \(=\) \(Rs\).