Problema Solution
how many pints of a 10% isotrophic solution should jenny mix with 15 pints of a 5% isotrophic alcohol solution to get a mixture for 7%
Answer provided by our tutors
0.1x+15*0.05=0.07(x+15).
0.1x+0.75=0.07x+1.05.
0.1x-0.07x=1.05-0.75
0.03x=0.3
x=30/.03
=1000 pints.