The cost of 2 kg of apples and 1 kg of grapes on a day was found to be Rs. 160. The cost of 4 kg of apples and 3 kg of grapes is Rs. 360. Find the cost of per kg apples and grapes.
The cost of 2 kg of apples and 1 kg of grapes on a day was found to be Rs 160. After a month, the cost of 4 kg of apples and 2 kg of grapes is Rs 300. Represent the situation algebraically and geometrically.