contestada

Two trucks leave chicago at the same time traveling in opposite directions.one travels at an average of 64mph and the other at 78mph.In how many hours will they be 284 miles apart?Let x =time of travel for the first truck and y =time of travel for the second truck.then the system that models the problelm is x=y 64x+78y=284

Respuesta :

I hope this helps you
Ver imagen Аноним