SOLUTION: A clothing manufacturer has some pure silk thread and some thread that is 80% silk. How many kilograms of each must be woven together to make 60 kg of cloth that is 95% silk?

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Question 1196974: A clothing manufacturer has some pure silk thread and some thread that is 80% silk. How many kilograms of each must be woven together to make 60 kg of cloth that is 95% silk?
pure silk thread______ kg
80% silk thread______ kg
Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.

Say honestly, do you work to develop your knowledge
or to fill answers in somebody's answers book or in somebody's web-site ?


///////////////


I noticed,  that as soon as I asked this question,  the flow of these
 " problems "  stopped  IMMEDIATELY.


From it, I make two inference.


        First,  my question produced a good effect.   It means that it works effectively . . .

        Second,  it leads me to some relevant conclusions . . .



Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
THREAD              FRCT.SILK      KILOGRAMS

PURE SILK             1.0            Q

80% SILK              0.8            60-Q

FINISHED CLOTH        0.95           60

highlight_green%281%2AQ%2B0.8%2860-Q%29=0.95%2A60%29
This should be perfectly understandable and needs no further explanation.