Question

Construct a table then solve, please help me quickly, make it simple and easy, thank you!

Answer 1

Given

80 - pound grass seed mixture is 30% bluegrass seed.

Find

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

Step-by-step explanation

Let x be the amount of no bluegrass seed

so , according to the question ,

`\begin{gathered} 0.30(80)+0(x)=0.20(80+x) \\ 24+0=16+0.20x \\ 8=0.20x \\ x=(8)/(0.20) \\ x=40 \end{gathered}`