Mixture problem

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👉 Learn how to solve equations from word problems. A word problem is a real word simulation of a mathematics principle. We can solve equation(s) from a word problems by first understanding what the problem is asking. We then assign variables for our unknowns and create equations to represent our problem. We then use solving techniques to find the values of the equation.

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✅Solve Word Problems Using Linear Equations
✅Solve Word Problems Using Proportions

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Formula for mixture problems : (concentration one × volume) + (concentration two × volume ) = (concentration final × volume)
You don't need to use decimals.
25x + 20(75 - x) = 22(75) The key to the volumes is assigning x to volume one then assigning the second volume as (final volume - x)
25x + 1500 - 20x = 1650
5x = 150
x = 30 units of the 25% solution, 75 - 30 = 45 units of the 20% solution.
Once you know the formula and the key to the volumes, these are straightforward.

jim
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thank u so much i understand it now kind of 👍

miraethi