Question 994221
a, volume in milliliters of solution A 10%
b, volume of solution B 13%
a=b-100


Amount of Alcohol:  {{{(0.10)*(b-100)+(0.13)*b=82}}}.


{{{10(b-100)+13*b=8200}}}
{{{10b-1000+13b=8200}}}
{{{23b=9200}}}
{{{b=9200/23}}}


{{{highlight(b=400)}}}, milliliters volume of solution B