The difference between 1/8 and 6/10 = 0.475 , does this help?
Deprecated means the price is decreased, so if something is deprecated by 50% (which just means 1/2 is taken away) its original price is just cut in half. so half of 1200 (1200 divided by 2) is 600. i think the answer is 600 :-)
Answer:
Step-by-step explanation:
8x+9=0
8x=-9
or
,
, 
x+y=3
+ x-y=1
2x=4
x=2
x+y=3
2+y=3
-2. -2
y=1
(2,1)
