Problema Solution
An 80-pound grass seed mixture is 30% bluegrass seed. How many pounds of seed containing no bluegrass seed (0%) should be added to the seed mixture for a resulting blend that is 20% bluegrass seed?
Answer provided by our tutors
let
x = pounds of seed containing no bluegrass seed (0%)
0.30*80 + 0*x = 0.20(80 + x)
by solving we find:
x = 40 lbs
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40 pound of seed containing no bluegrass seed (0%) should be added to the seed mixture.