SOLUTION: You have two salt water solutions. One consists of 20% salt the other consists of 15% if you want to add these two together to make 5 gallons of 17% solution how much of each solut

Question 1083346: You have two salt water solutions. One consists of 20% salt the other consists of 15% if you want to add these two together to make 5 gallons of 17% solution how much of each solution should you add?
Answer by ikleyn(52787) (Show Source): You can put this solution on YOUR website!
.

Let x be an amount (the volume, in gallons) of the 20% solution to be mixed.

Then the volume of the 15% solution is (5-x) gallons.


Therefore, your "salt balance" equation is

0.2x + 0.15*(5-x) = 0.17*5.


Simplify and solve for x.

There is entire bunch of lessons covering various types of mixture problems
    - Mixture problems
    - More Mixture problems
    - Solving typical word problems on mixtures for solutions
    - Word problems on mixtures for antifreeze solutions
    - Word problems on mixtures for alloys
    - Typical word problems on mixtures from the archive
in this site.

Read them and become an expert in solution the mixture word problems.

Also, you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this textbook in the section "Word problems" under the topic "Mixture problems".

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