SOLUTION: You need 175 mL of a 10% solution. On hand, you have a 5% alcohol mixture and a 40% alcohol mixture. How much of each mixture will you need to obtain the desired solution

Question 760447: You need 175 mL of a 10% solution. On hand, you have a 5% alcohol mixture and a 40% alcohol mixture. How much of each mixture will you need to obtain the desired solution
Answer by josgarithmetic(39630) (Show Source): You can put this solution on YOUR website!
This question is just like so many of the same kind.
Use L strength material and H strength material to prepare M units of T strength mixture. Letting u be amount of the L material and v be the amount of the H material, solve for u and v.

and
This is a system with unknowns u and v. Solve for u and v.
RELATED QUESTIONS
You need 350 mL of a 40% alcohol solution. On hand, you have a 35% alcohol mixture and a... (answered by fcabanski)

You need 300 mL of a 40% alcohol solution. On hand, you have a 35% alcohol mixture and a... (answered by macston)

You need 1275 mL of a 15% alcohol solution. On hand, you have a 10% alcohol mixture and a (answered by TimothyLamb)

You need 340 mL of a 45% alcohol solution. On hand, you have a 5% alcohol mixture and a... (answered by mananth)

You need a 40% alcohol solution. On hand, you have a 375 mL of a 5% alcohol mixture. You... (answered by josgarithmetic)

You need 1425 mL of a 30% alcohol solution. On hand, you have a 5% alcohol mixture. How... (answered by josgarithmetic)

You need 1235 mL of a 85% alcohol solution. On hand, you have a 5% alcohol mixture. How... (answered by addingup)

You need 210 mL of a 90% alcohol solution. On hand, you have a 25% alcohol mixture and a... (answered by mananth)

You need 420 mL of a 35% alcohol solution. On hand, you have a 25% alcohol mixture and a... (answered by ikleyn,josmiceli)