SOLUTION: a pencil cost $3 less than a notebook. a pen cost 4 times as much as a pencil. The pen cost $12. let n represent the cost of the notebook. Write an equation to Describe the situat

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: a pencil cost $3 less than a notebook. a pen cost 4 times as much as a pencil. The pen cost $12. let n represent the cost of the notebook. Write an equation to Describe the situat      Log On


   

Question 1021693: a pencil cost $3 less than a notebook. a pen cost 4 times as much as a pencil. The pen cost $12. let n represent the cost of the notebook. Write an equation to Describe the situation.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
a pencil cost $3 less than a notebook. a pen cost 4 times as much as a pencil. The pen cost $12. let n represent the cost of the notebook. Write an equation to Describe the situation.
-------
p = n - 3
e = 4p
e = 12
--------------------
pencil = 12/4 = $3
n = p+3
n = 3+3 = $6
------------
Cheers,
Stan H.
--------