SOLUTION: Mahmoud invested 6000 in two accounts, some of it at 2% simple interest, the rest in an account earning 4% simple interest. How much did he invest in each account if he earned $190

Question 1129228: Mahmoud invested 6000 in two accounts, some of it at 2% simple interest, the rest in an account earning 4% simple interest. How much did he invest in each account if he earned $190 in interest after a year?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = amount invested @ 2%
= amount invested @ 4%
Let = interest earned from 2% account
= interest earned from 4% account
-------------------------------------------------------
(1)
(2)
---------------------------------------------
(2)
(2)
Plug (1) into (2)
(2)
(2)
(2)

and
(1)
(1)
--------------------------
check:
(2)
(2)
(2)
OK

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