SOLUTION: Suppose that X liters of 38% acid solution are mixed with y liters of a 42% solution to obtain 100L of a 39% solution. One equation in a system for solving this problem is x+y=100.
Algebra.Com
Question 505302: Suppose that X liters of 38% acid solution are mixed with y liters of a 42% solution to obtain 100L of a 39% solution. One equation in a system for solving this problem is x+y=100. Which one of the following is the other equation? A. 42x+38y=0.39*100 B 0.38x+0.42y=0.39*100 C. 0.42x+0.38y=0.39*100 D. 38x+42y=39
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Suppose that X liters of 38% acid solution are mixed with y liters of a 42% solution to obtain 100L of a 39% solution. One equation in a system for solving this problem is x+y=100.
Which one of the following is the other equation?
A. 42x+38y=0.39*100
B 0.38x+0.42y=0.39*100
C. 0.42x+0.38y=0.39*100
D. 38x+42y=39
=====
Ans: B
===========
Cheers,
Stan H.
===========
RELATED QUESTIONS
suppose that x liters of 40% acid solution are mixed with y liters of a 42% solution to... (answered by Fombitz)
Suppose that x liters of 31% acid solution are mixed with y liters of a 42% solution to... (answered by josmiceli)
Suppose that x liters of 34% acid solution are mixed with y liters of a 44% solution to... (answered by stanbon,mananth)
A 34% acid solution was mixed with a 66% acid solution to produce 216 liters of a 42%... (answered by ankor@dixie-net.com)
how many liters of a 5% acid solution should be mixed with 40 liters of 10% acid solution (answered by ankor@dixie-net.com)
A chemist has 30% and 60% solutions of acid available. How many liters of each solution... (answered by josgarithmetic)
How many liters of a 15% acid solution should be mixed with 10 liters of a 36% acid... (answered by josgarithmetic,greenestamps)
How many liters of a 15% acid solution should be mixed with 30 liters of a 40% acid... (answered by lostin)
How many liters of 20% acid solution should be mixed with 50% acid solution to obtain 12... (answered by josgarithmetic)