Sarah has a discount card that reduces the price of her grocery bill in Stop and Shop by 8%. If c represents the cost of Sarah’s groceries, which expression represents Sarah’s grocery bill?

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.