SOLUTION: A certain solution of salt water is 10% salt and weighs 50 pounds. More salt must be added to produce a solution that is 25% salt. If x represents the pounds of salt to be added, w

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: A certain solution of salt water is 10% salt and weighs 50 pounds. More salt must be added to produce a solution that is 25% salt. If x represents the pounds of salt to be added, w      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 924512: A certain solution of salt water is 10% salt and weighs 50 pounds. More salt must be added to produce a solution that is 25% salt. If x represents the pounds of salt to be added, which of the following expressions represents the number of pounds of salt in the 25% solution?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
0.10*50 + x = 0.25*(50 + x)
5 + x = 12.5 + 0.25x
0.75x = 7.5
x = 7.5/0.75
x = 10 lbs of pure salt must be added
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Convert fractions, decimals, and percents:
https://sooeet.com/math/fraction-decimal-percent.php
---
Calculate and graph the linear regression of any data set:
https://sooeet.com/math/linear-regression.php