45/14 = a product every 3 minutes and 21 seconds
The answer is 6$ because 50% of 40 would be 20 and 50% of 20 is 10 but when you all on the tax which would be around a dollar when you take 50% of 10 which is 5 and add on the tax which is a dollar you then get 6$ in total.
75 additional minutes were used
$61.20-$49.95=$11.25
$11.25/$0.15=75 additional minutes
