Dear Student,
Cost of 40 kg wheat = Rs. 2750
Cost of 1 kg wheat = Rs. 2750/40 = Rs.68.75
Cost of 50 kg wheat = Rs. 68.75× 50 = Rs. 3437.5 = Rs.3,438. ( approx). Ans.
Wheat is rated and measured in kgs. Therefore, number of bags do not matter here.
Regards