Word Problems Answers

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What are you being asked to find in this problem?

gallons of pure water

gallons of 12% salt solution

gallons of 20% salt solution

What is the amount of salt in the original solution? b =

0.12

160

0.2

19.2

Set up the equation, relating the new ratio of salt to solution to the desired 20% salt solution.

19.2/(160 – x) = 20/100

(160 – x)/19.2 = 20/100

0/19.2 = x/160

19.2/x = 20/100

d =

x mi

12 mi

1 mi

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