I think the top choice would be the correct answer.
Answer:B
Step-by-step explanation:
if you do A then you are losing 50% of your profit on for items
if you do see then you are giving 40% discount on that item which means you would only get 60% of the one item.
<u><em>Therefore your best bet is B because you still get the price of two items</em></u>
The one that does not belong to Julie
Work:
21x-7y=12
-7y=12-21x
y= -12/7+3x
Point: (1,-3)
y-y1=m (x-x1)
y+3= -12/7 (x-1)
y+3= -12/7x + 12/7
y= -12/7x -9/7
The equation is y= -12/7x- 9/7