Aparking meter costs 5 cents per minute and only accepts the following coins: quarters, dimes, and nickels. how many different ways can n minutes be purchased by inserting coins into the parking meter where the order in which the coins are inserted matters? let an be the number of ways n minutes can be purchased and assume that the correct initial values for a0, a1, a2, etc. have been defined as needed. recall that 1 quarter = 25 cents, 1 dime = 10 cents, and 1 nickel = 5 cents.