If the banker's discount of Rs. 28000 at 3.5% per annum be equal to the true discount on Rs. 28735 for the same time at the same rate, when are the sums due ? ​

Environmentalists are concerned about emissions of sulfur dioxide into the air. the average number of days per year in which sulfur dioxide levels exceed 150 milligrams per cubic meter in milan, italy, is 29. the number of days per year in which emission limits are exceeded is normally distributed with a standard deviation of 4.0 days. what percentage of the years would exceed 37 days?