SOLUTION: A farmer mixes a 20% fertilizer solution with a 40% fertilizer solution to make 8 quarts of a 33.75% fertilizer solution. How many quarts of each does she use?
Algebra.Com
Question 590200: A farmer mixes a 20% fertilizer solution with a 40% fertilizer solution to make 8 quarts of a 33.75% fertilizer solution. How many quarts of each does she use?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
A farmer mixes a 20% fertilizer solution with a 40% fertilizer solution to make 8 quarts of a 33.75% fertilizer solution. How many quarts of each does she use?
**
let x=quarts of 20% solution
8-x=quarts of 40% solution
..
20%x+40%(8-x)=33.75%*8
.2x+3.2-.4x=2.7
.2x=.5
x=2.5
8-x=5.5
ans:
quarts of 20% solution used=2.5
quarts of 40% solution used=5.5
RELATED QUESTIONS
A farmer mixes a 20% fertilizer solution with a 40% fertilizer solution to make 8 quarts... (answered by TimothyLamb)
A farmer mixes a fertilizer solution that uses 15 parts water to 5 parts fertilizer. If (answered by checkley79)
How much water should be mixed with an 8% plant fertilizer solution to make a half gal of (answered by josgarithmetic)
how much water should be mixed with an 8% plant fertilizer solution to make a half gallon (answered by josmiceli)
A fertilizer mixture containing 30% nitrogen is desired for a certain crop. The farmer... (answered by checkley77)
a 20% solution of fertilizer is to be mixed with a 50% solution of fertilizer in order to (answered by fcabanski)
How much water should be mixed with an 8% plant fertilizer solution to make a half gallon (answered by josgarithmetic,ikleyn)
A lawn care company wants to mix a 20% fertilizer solution with 15 liters of a 50%... (answered by robertb)
A 20% solution of fertilizer is to be mixed with a 50% solution of fertilizer in order to (answered by richwmiller)