17. Determine the cost

Jane brought 4 chairs and 5 tables for the cost of $₹$2300 at a furniture shop. Mohan brought 1 chair and 7 tables at a cost of $₹$2300. Find the cost of a chair and the cost of a table using cross multiplication method.

 

 

The cost of a chair $= ₹$200.

 

The cost of a table $= ₹$300.