C AND B If not B it was A
6x + 7 = 8x - 17
6x- 8x = -17 - 7
-2x = -24 • divide both sides by -2
Thefore x = 12
Email the teacher and see if she can check it at a later time
Answer: If my calculations are correct, it'd be 160% percent decrease
Step-by-step explanation:
you subtract 640 and 480, 640%-480%= 160%