The empire state building in new york is 1250 feet tall it has 103 floors round to the nearest whole what is the height of each floor

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Precalculus question, image attached.

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?