Lesson: Applications on Systems of Linear Equations in Three Variables

In this lesson, we will learn how to solve real-world problems using a system of linear equations in three variables.

Sample Question Videos

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Worksheet: 25 Questions • 4 Videos

Q1:

An animal shelter has a total of 350 animals comprised of cats, dogs, and rabbits. If the number of rabbits is 5 less than half the number of cats, and there are 20 more cats than dogs, how many of each are at the shelter?

Q2:

Three numbers sum up to 147. The smallest number is half the middle number, which is half the largest number. What are the three numbers?

Q3:

Three even numbers add up to 108. The smaller is half the larger and the middle number is of the larger. What are the three numbers?

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