Question 21042
0.8x+0.3(200-x)=0.62(200)
0.8x+60-0.3x=120
0.5x=60
{{{0.5x/0.5=60/0.5}}}
x=120
200-120 = 80
Hence for 80% there is 120L solution needed and for 30% there is 80L of solution needed