Question 266638
this is a mixture problem. Here is a table based on the given information
solutions . . . . . . . % . . . . . . . . ounces . . . . . . . . . .%ounces
salt . . . . . . . . . . .4 . . . . . . . . .32 . . . . . . . . . . . . . . .128
water . . . . . . . . .0 . . . . . . . . . x . . . . . . . . . . . . . . . .0
mixture. . . . . . . 6 . . . . . . . . . x + 12. . . . . . . . . . . . 6x + 72
looking at the third column, we have
{{{128 + 0 = 6x + 72}}}
subtract 72 to get
{{{56 = 6x}}}
dividing, we get
{{{x = 9.33}}}