The cost of a sandwich is 40 rupees and of pizza is 89 rupees. Find the total cost.
A pen cost rupees 3𝑥. The total cost of 5y such pens is ___ rupees
Cost of 20 Pencils is 100 Rupees. Cost of a pen is 40 more than 8 times the cost of a Pencil. Find the cost of 5 Pencils and 6 Pens.