In a parking lot, there are 84 vehicles. All vehicles are either cars, trucks, or bicycles. There are twice as many trucks as bicycles, and twice as many cars as trucks.
Let t represent the number of trucks in the parking lot.
Which equation could be used to find how many trucks are in the parking lot?
Choose 1 answer
A. t + 2t + 2t = 84
B. 1/2t + t +2t =84
C. t + 2t + 4t = 84
D. t + 2t + 3t = 84