Two hundred people were surveyed about their favorite outdoor leisure activity. the results of the survey are displayed in the circle graph. what percent of the people surveyed said they prefer hiking?

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.