Respuesta :
3/4 = x / 36....3 purple to 4 yellow = x purple to 36 yellow
cross multiply
4x = 108
x = 108/4
x = 27....there are 27 purple marbles
cross multiply
4x = 108
x = 108/4
x = 27....there are 27 purple marbles
Sorry but do you know The two lines graphed below are not parallel. How many solutions are there to the system of equations?