una fabrica de coches realiza modelos de tres motorisaiones. (1600,1800,2000 cc.) en cinco colores cada uno (blanco, negro, azul, marillo y rojo) y con tres, cuatro o cinco puertas cada tipo. serias capaz de indicar el numero de diferentes modelos de coche quee esa fabrica realiza?

a car factory makes models of three engines. (1600,1800,2000 cc.) In five colors each (white, black, blue, yellow and red) and with three, four or five doors each type. You would be able to indicate the number of different car models that this factory makes?

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.