A rental truck company plans to spend $14 million on 280 new vehicles. Each commercial van will cost $55.000, each smal truck $20,000, and each large truck $70,000. Past experience shows that they need twice as many vans as small trucks. How many of each type of vehicle can they buy? Write a linear system of equations. Let x be the number of vans, y be the number of small trucks, and z be the number of large trucks. Choose the correct answer below OA. x+y+22280 55,000x + 20.000y +70,0002 = 14,000,000 x+3y=0 OC. 3x+y+z=280 55,000x20,000y + 70,000z 14,000,000 x-2y+z=0 OB. x+y+z=560 55,000x20,000y14,000,000 x-2y = 280 OD Xy+2280 55,000x+20,000y +70,000 14,000,000 x-2y=0