180 college students were asked in a survey if they preferred windows or mac brand computers . 50 students claimed that they preferred mac to windows brand computers . one third as many of the students who preferred mac to windows , equally preferred both brands . 60 of the students had no preference . how many of the students in the survey preferred windows to mac brand computers ?
"180 = 50 ( mac ) + x ( window ) + 60 ( both ) = > x = 70 answer : b"
subtract(subtract(subtract(180, 60), 50), divide(subtract(subtract(180, 60), 50), const_3))