Set up a proportion
3/7/12 = 1/x
3/7x = 12
x = 28
28 - 12 = 16
16 are left
I need the answers to know which is correct
3x-r=-3r+rx
3x=-3r+r+rx
3x=-2r+rx
3=rx-2r/x
there you go buddy...gitty up
If you multiply 214 by 112 you would get the answer 23,968.Believe me i did the math.
The value of the car decreases by 8% every year.
The cost of the car is $20,000.
So rate for one year depreciation is 0.08
Rate of depreciation per month shall be 0.08 /12 =0 .0066667
Hence the rate of depreciation shall be 0.66667%
But as it is depreciation.
It must be negative
Hence the rate of depreciation every month shall be - 0.666667%
Option C) is the right answer.