In 1991 salsa _____ ketchup as the best-selling condiment in the United States, outselling ketchup by 40$ million in retail stores
1 bottle ketchup costs ₹ 45 and 1 block of cheese costs ₹ 215.
Find the total cost of 4 blocks of cheese and 3 bottles of ketchup. What is the change Romi will get back if he gives ₹ 1000 to the shopkeeper?