In this question they've given us the formula and they just want us to plug in the numbers and get the value.
P is the original value, P=$600
r is the depreciation rate, r=10%=0.1
t is the time in years, t=2

Answer: $486
50%
Explanation: There are 24 skittles in total, 12 of then at green. 12 is half of 24, so, it would be 50%
Step-by-step explanation:
nope!
because the value has increased 6%*102%=6.12% in second year which we have 8.12% i total
Answer:
x=-2,y=-2
Step-by-step explanation:
x+y=-4
x=-4-y--(3)
substitute (3) in (1)
5(-4-y) -3y=-4
-20-5y-3y=-4
-8y=16
y=16/-8
y=-2
substitute y in (3)
x=-4-(-2)
x=-2