Answer:
256 ways
Step-by-step explanation:
Okay so n cannot be in the nth place, but there are 5 places available.
So thinking about it technically you can have 4 of each number in a different spot not their own, and 4x4x4x4 = 256
However, if that doesn't work, you could try 4! which is 4x3x2x1 = 24
Hope that helps :)
y=x-1 is 2=3-1
y=-x+5 is 2=-3+5
Step-by-step explanation:
3=x and 2=y. x y
(3,2)
Now you just substitute the variables (which are the letters) by the numbers of x (3) and y(2) for both of equations
Answer: Charles bought a used car and later sold it for a 20% profit. If he sold it for $4680, how much did Charles pay for the car?
---------------------------
Let the price he paid equal "x".
EQUATION:
x + 0.20x = 4680
1.2x = 4680
x = $3900 (price he paid for the car.