SOLUTION: how to solve this. 400 pounds of a clay with 1% water. Another clay with 2% is available. How much of 2% clay must you mix with 400 pounds of 1% clay get a 1.4% clay. How much 1.4%

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Question 795468: how to solve this. 400 pounds of a clay with 1% water. Another clay with 2% is available. How much of 2% clay must you mix with 400 pounds of 1% clay get a 1.4% clay. How much 1.4% clay will you end up?

Found 2 solutions by stanbon, josmiceli:
Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website!
how to solve this. 400 pounds of a clay with 1% water. Another clay with 2% is available. How much of 2% clay must you mix with 400 pounds of 1% clay get a 1.4% clay. How much 1.4% clay will you end up?
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Equation::
clay + clay = clay
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0.99*400 + 0.98x = 0.986(400+x)
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990*400 + 980x = 986*400 + 986x
6x = 4*400
x = 266.67 lbs
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Ans: 666.67 lbs
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Cheers,
Stan H.
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Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website!
Let = pounds of 2% clay needed
= pounds of water in 2% clay
pounds of water in 1% clay
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You end up with pounds of
the 1.4% clay
pounds
check answer:

OK