What is the cost of 50 kg of potatoes at 50p per kg?

To calculate the cost of 50 kg of potatoes at 50p per kg, you would multiply the weight (50 kg) by the price per kg (50p). This would give you the total cost in pence. To convert this to pounds, you would divide the total cost in pence by 100 (since there are 100 pence in a pound). Therefore, the cost of 50 kg of potatoes at 50p per kg would be 25 pounds.