SOLUTION: Hi sam could buy 4 magazine s and 3 books with all his money. He decided to buy 2 magazine s and a book. He then had 84 dollars left. If a magazine cost 1/3 the price of a book ,

Question 1047202: Hi
sam could buy 4 magazine s and 3 books with all his money. He decided to buy 2 magazine s and a book. He then had 84 dollars left. If a magazine cost 1/3 the price of a book , how much did sam have in the beginning.
thanks
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The = amount he had in the beginning
= the cost of a magazine
= the cost of a book
---------------------------
(1)
(2)
(3)
------------------------
(3)
and
(1)
(1)
and
(2)
(2)
Plug (1) into (2)
(2)
(2)
(2)
and
(3)
(3)
(3)
--------------------
(1)
(1)
(1)
(1)
He started with $136.50
-----------------------
check:
(2)
(2)
(2)
(2)
OK

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