I shall buy 1kg of carrot. The cost of carrot is 30 rupees more than the cost of 1kg of potato. Find how much we spent.

we shall buy 4 packets of biscuits also. If the Cost of, 1 packet of biscuits is 2x rupees, than find, how much money is needed.

If 1 kg sugar Costs Rs. 32 find the cost of 1 mole sugar.

I shall buy toffees for 6 of us. Find how much money will be needed.

A cottage industry produces a certain number of pottery articles in a day. It was observed on a particular day that the cost of production of each article (in rupees) was 3 more than twice the number of articles produced on that day. If the total cost of production on that day was Rs 90, find the number of articles produced and the cost of each article.

1 kg of rice costs 40 rupees and 1 kg of pulse costs 100 rupees. find the ratio of the prices of rice and pulse.

I bought 2 exercise books. Cost of each exercise book is x rupees. My friend Imtiyaz bought 6 exercise books. But cost of each exercise book of Imtiyaz is 5 more than my exercise book. Calculate, how much money did I spent on exercise books and how much did Imtiyaz spent on his exercise books.

The monthly income of a man is 24,750 rupees. He pays house rent of 750 rupees and the remaining money is spent for household expenses and the education of children in the ratio of 3 :1 . Find how much money is spent on household expenses.

Durgadebi went to the market and saw that the price of dal of 1 kg is RS 20 and the price of rice of 1 kg is RS 40 less than that of fish of 1 kg. The quantity of fish and that of dal in RS 240 is equal to the quantity of of rice in RS 280. Calculate the cost price of 1 kg fish, Durgadevi had bought in the market.

One kg of food X contains 6 units of Vitamin A and 7 units of Vitamin B. One kg of food Y contains 8 units of Vitamin A and 12 units of Vitamin B. Cost of each kg of food X and food Y are Rs. 12 and Rs. 20 respectively. The daily minimum requirement of Vitamin A and Vitamin B are 100 units and 120 units respectively. How much food X and food Y are to be mixed so that the cost will be minimum? Formulate the problem as a linear programming problem.