Post a New Question

Algebra

posted by .

A chemist needs to mix a solution containing 30% insecticide with a solution containg 50% insecticide to make 200L of a solution that 42% insecticide. How much of each solution should she use?

dealing with- graphing, subst., and elimin.

  • Algebra -

    let x L represent the volume of the 30% solution, then 200 - x L would be the 50% solution

    then...

    .3x + .5(200-x) = .42(200)
    solve....

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

More Related Questions

Post a New Question