SOLUTION: A student bought 3 boxes of pencils and 2 boxes of pens for $6. He then bought 2 boxes of pencils and 4 boxes of pens for $8. Find the cost of each box of pencils and pens.

Question 1013311: A student bought 3 boxes of pencils and 2 boxes of pens for $6. He then bought 2 boxes of pencils and 4 boxes of pens for $8. Find the cost of each box of pencils and pens.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the cost of a box of pencils
Let = the cost of a box of pens
----------------------------------
(1)
(2)
------------------
Multiply both sides of (1) by
and subtract (2) from (1)
(1)
(2)
--------------------

and
(1)
(1)
(1)
(1)
(1)
---------------
A box of pencils costs $1
A box of pens costs $1.50
-----------------------
check:
(2)
(2)
(2)
(2)
(2)
OK
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