Question 838169
Let the original rates of return be
{{{ a/100 }}} for the $10,000 investment
and {{{ b/100 }}} for the $28,000 investment
( this will give your answers directly in percent )
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You are given that:
(1) {{{ (a/100)*10000 + (b/100)*28000 = 1750 }}}
(2) {{{ (b/100)*10000 + (a/100)*28000 = 1480 }}}
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(1) {{{ 100a + 280b = 1750 }}}
(2) {{{ 100b + 280a = 1480 }}}
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(1) {{{ 10a + 28b = 175 }}}
(2) {{{ 28a + 10b = 148 }}}
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Solve for {{{a}}} and {{{b}}}
I can't find my calculator