If we add 1 minute to 7:59 it is 8 which makes it easier to see the length of time. Then we add that 1 back in to find the exact amount of time Dakota was in school.
The bike will cost $481.50 because 10% off of 500 is 50 so 500 - 50 = 450 Now include the sales tax which is 450 * 0.07 = 31.5 Now add the two totals to get $481.50
