SOLUTION: Alloy A is composed of 3 parts gold and 1 part silver. Alloy B is composed 1 part gold and 3 part silver . When combined the alloy mixture has 15 g of gold and 9 g of silver. How m
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Question 769326: Alloy A is composed of 3 parts gold and 1 part silver. Alloy B is composed 1 part gold and 3 part silver . When combined the alloy mixture has 15 g of gold and 9 g of silver. How many grams does each alloy weight?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = total grams of alloy A
Let = total grams of alloy B
(1)
(1)
(2)
(3)
--------------------------
(2)
(3)
-----------------
Subtract (1) from (2)
(2)
(1)
and
(3)
(3)
(3)
(3)
Alloy A weighs 18 g
Alloy B weighs 6 g
----------------
check:
(1)
(1)
(1)
OK
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