Question 1102693
{{{system(x+y=25,15x+24y=18*25)}}}

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{{{5x+8y=6*25=150}}}

{{{5(25-y)+8y=150}}}

{{{125-5y+8y=150}}}

{{{3y=25}}}

{{{y=25/3}}}

{{{highlight(y=8&1/3)}}}---------gallons of the 24% salt
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{{{highlight(x=16&2/3)}}}--------gallons of the 15% salt