# SOLUTION: Ms. Butler is filling planter boxes with soil. She has soil that is 28% sand, and she buys 6 pounds of a commercial potting soil that is 33% sand. She mixes some of her soil with

Algebra ->  Algebra  -> Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: Ms. Butler is filling planter boxes with soil. She has soil that is 28% sand, and she buys 6 pounds of a commercial potting soil that is 33% sand. She mixes some of her soil with       Log On

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 Click here to see ALL problems on Mixture Word Problems Question 400613: Ms. Butler is filling planter boxes with soil. She has soil that is 28% sand, and she buys 6 pounds of a commercial potting soil that is 33% sand. She mixes some of her soil with the 6 pounds of commercial potting soil. The resulting soil mixture is 31% sand. How many pounds of her soil did Ms. Butler use?Answer by josmiceli(9664)   (Show Source): You can put this solution on YOUR website!In words: (sand in final mixture)/(sand + soil in final mixture) = 31% Let = pounds of her soil she used given: = pounds of sand in her soil pounds of sand in commercial potting soil -------------------------- She needs 4 pounds of her soil check: OK