SOLUTION: a variety of rice sells 25pesos/kilo while another sells for 22pesos/kilo. The two varieties are mixed together in a sack with a capacity of 50kgs and sold for 24.10pesos/kilo. How
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Question 936195: a variety of rice sells 25pesos/kilo while another sells for 22pesos/kilo. The two varieties are mixed together in a sack with a capacity of 50kgs and sold for 24.10pesos/kilo. How many kilos of each variety were mixed? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Do it like this one. Only the numbers are different.
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Amanda wants to make 8 gal. of a 20% saline solution by mixing together a 56% saline solution and a 8% saline solution. How much of each solution must she use?
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e = amount of 8%
f = amount of 56%
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e+ f = 8 (total solution)
8e + 56f = 20*8 (total saline)
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e+ f = 8
e + 7f = 20
------------ Subtract
-6f = -12
f = 2
e = 6
