Question 718173
You have to know what concentration you
want to end up with, and also the amount
that you want to end up with.
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Suppose You want to get 10 liters of a 40% solution.
Then you would say:
Let {{{ a }}} = liters of 54% solution needed
Let {{{ b }}} = liters of 23% solution needed
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{{{ a + b = 10 }}}
{{{ ( .54a + .23b ) / 10 = .4 }}}
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Solve for {{{ a }}} and {{{ b }}}
( note that the amount could have been pounds,
ounces, etc. )