Please post the question with an attachment of what you want to be answered next time.
0.3333333333... = 1/3
You can just say 0.3 repeating to say 0.33333...
1/the rate of leakage per hour
This will give you the time it takes for 1 gallon to leak out in hours.
For example, if something is leaking at the rate of 12 gallons per hour, it will take 1/12 of an hour for 1 gallon to leak out. ( or 5 min)
It is the first one because if u gain an amount and lose that same amount you don't gain anything.
25-25=0
In first calculation Miranda was first calculating tax of a 7% of 19$ tennis racket and than she added it to cost of tennis racket. In second calculation she automatically calculated 107% of a price of tennis racket that she will pay at register.
