Bác Nam được thuê sơn một mặt của một bức tường, cứ sơn được 1m ^ 2 bác ấy được trả số tiền vừa đủ mua 2 kg thóc. Biết bức tường cao 7/2 và dài 10 m. Hỏi sau khi hoàn thành, bác Nam được trả số tiền có...

To solve this problem, we can follow these steps: 1. Find the total area of the wall to be painted: $$ 2. Calculate the amount of rice earned for painting the entire wall: Since every 1 $$ painted earns enough money to buy 2 kg of rice, the total amount of rice earned is: $$ 3. Convert the amount of rice earned into grams (since it's a more common unit for measuring small amounts of rice): $$ 4. Finally, calculate how much rice can be bought with this amount of money: We know that with the money earned from painting, Bác Nam can buy: $$ So after completing the painting job, Bác Nam can buy 1.75 grams of rice. Therefore, the final answer is: The amount of rice that can be bought with the money earned: $$ kg