SOLUTION: Joe spends $13 on mints and gum. Each mint costs $2, each gum costs $0.50. He purchases three times as many mints as gum. Find the number of mints and gum he purchases?

Question 938871: Joe spends $13 on mints and gum. Each mint costs $2, each gum costs $0.50. He purchases three times as many mints as gum. Find the number of mints and gum he purchases?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of mints he buys
Let = number of gums he buys
-----------------
(1)
(2)
------------------------
Substitute (1) into (2)
(2)
(2)
(2)
and
(1)
(1)
(1)
------------------
He buys 6 mints and 2 gums
check:
(2)
(2)
(2)
OK
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