Question 1091210
Cost:   {{{350*84+140*105=44100}}}, {{{ksh}}}


Amount of Mixture:  {{{350+140=490*kilograms}}}


p, price to sell for 25% profit;
Revenue minus cost should be 25% of cost of the mixture;
{{{highlight_green(490p-44100=0.25(44100))}}}
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{{{490p=0.25(44100)+44100}}}

{{{p=(0.25(44100)+44100)/490}}}

{{{highlight(p=112.5)}}}