explain it please

Question 1: A 37 5% discount on a video recorder amounts to $913 50. What is the list price? Question 2: Find the rate of discount for ski ploves listed at $36.80 whose net price is $23 92 Question 3: A department store lists a product for $200 less 20% To improve the sales, the net price is reduced to $120. What additional rate of discount is given by the store? Question 4: A power drill listed at $180 00 less 30%, 12 5%, 5%, and 5% What is the net price? Question 5: A manufacturer sells skidoos to dealers at a list price of $2100 00 less 409%, 10%% and, 5% Determine the amount of discount