Question 396092
Let {{{x}}} = amount invested @ 4%
Then {{{500 - x}}} = amount invested @ 6%
given:
{{{.04x + .06*(500 - x) = 23}}}
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{{{.04x + 30 - .06x = 23}}}
{{{-.02x = -7}}}
{{{x = 350}}}
{{{500 - x = 150}}}
$350 was invested @ 4% and $150 was invested @ 6%