The cost of 5 pens and 8 pencils is Rs.120,while the cost of 8 pens and 5 pencils is Rs.153.Find the cost of 1 pen and that of 1 pencil.
If 8 pens cost Rs. 84 , how much do 14 pens cost ?
If 8 pens cost ₹ 84 , how much does 14 pens cost ?
Five pen cost ₹115. How much will 7 pens cost?