At New York City's LaGuardia airport, one parking garage charges a onetime transportaton fee of $2.75 plus $22 for indoor parking per day. How many days has a car been parked at this location if the parking charge is $134.75?

Question

jtvatsim · Answer

We have one unknown: the number of days parked. We'll call this D. We know that the parking garage charges 2.75 + 22D. Also, we know the total charged is 134.75. So, the equation to solve is 2.75 + 22D = 134.75. Solve using Algebra, and we see that D = 6. So the number of days parked is 6 days.