Question 1127783
{{{ I[1] = P[1]*r[1]*t }}}
{{{ I[1] = P[1]*.05*1 }}}
(1) {{{ I[1] = .05P[1] }}}
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{{{ I[2] = 250 - I[1] }}}
{{{ P[2] = 4500 - P[1] }}}
{{{ 250 - I[1] = ( 4500 - P[1] )*.09*1 }}}
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{{{ 250 - I[1] = 405 - .09P[1] }}}
(2) {{{ .09P[1] - I[1] = 155 }}}
Plug (1) into (2)
(2) {{{ .09P[1] - .05P[1] = 155 }}}
(2) {{{ .04P[1] = 155 }}}
(2) {{{ P[1] = 3875 }}}
and
{{{ P[2] = 4500 - P[1] }}}
{{{ P[2] = 625 }}}
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$3,875 in 5% investment
$625 in 9% investment
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You can finish