More Lessons for Grade 9
Examples, videos, worksheets, solutions, and activities to help Algebra 1 students learn how to solve two-variable word problems.
Algebra - Solving Word Problems with Two Variables (1 of 5)
Provides explanation of how to solve word problems using two variables.
The sum of a two-digit number is 11. The tens digit is one more than four times the unit digit. Find the number.
Algebra - Solving Word Problems with Two Variables (2 of 5)
In a class of 50 students, the number of females is 2 more than 5 times the number of males. How many males and females are there in the class?
Algebra - Solving Word Problems with Two Variables (3 of 5)
Example: Kathy has 30 coins, consisting of dimes and quarters that total $5.10. How many coins of each type does she have?
Algebra - Solving Word Problems with Two Variables (4 of 5)
Example: Karl invested some money at 7% and some at 8%. He invested $6000 more at 8% than at 7%. His yearly interest earned ins $780. How much was invested at each rate?
Algebra - Solving Word Problems with Two Variables (5 of 5)
Example: Two angles are supplementary and the measure of one is 20° less than 3 times the other. Find each angle.
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