SOLUTION: A local Computer City sells batteries ($2) and small boxes of pens ($8). In August, total sales were $936. Customers bought 8 times as many batteries as boxes of pens. How many of

Question 1036893: A local Computer City sells batteries ($2) and small boxes of pens ($8). In August, total sales were $936. Customers bought 8 times as many batteries as boxes of pens. How many of each did Computer City sell?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of boxes of pens sold
Let = number of batteries sold
--------------------------------
(1)
(2)
---------------------
Substitute (2) into (1)
(1)
(1)
(1)
(1)
and
(2)
(2)
(2)
-----------------
39 boxes of pens were sold
312 batteries were sold
-------------------------
check:
(1)
(1)
(1)
(1)
OK
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