Gasoline cost $4.00 per gallon . How much does it cost to buy X gallons of gas

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

The difference between tax advoidance and tax evasion

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax