Question 198752
In words:
(lbs of peanuts in final mixture)/(total pounds of mixture) = (% peanuts)
{{{9*.55 = 4.95}}} lbs
{{{6*.4 = 2.4}}} lbs
{{{(4.95 + 2.4)/(9 + 6)}}}
{{{7.35/15 = .49}}}
The new mixture is 49% peanuts