The sum of three numbers is 40. The first number is five more than the second number. It is also twice the third. Find the numbers
Added by Alissa A.
Step 1
Then the first number is x + 5, and the third number is (x + 5)/2. Now we can set up an equation using the information given: x + (x + 5) + (x + 5)/2 = 40 To solve for x, first multiply both sides of the equation by 2 to eliminate the fraction: 2(x + (x + 5) + Show more…
Show all steps
Close
Your feedback will help us improve your experience
Victor Salazar and 71 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Yujie W.
The sum of three numbers is $40 .$ One number is five more than a second number. It is also twice the third. Find the numbers.
Sima S.
The sum of three numbers is 20. The second number is 4 times the first, and the sum of the first and third is 8. Find the numbers.
Recommended Textbooks
Elementary and Intermediate Algebra
Algebra and Trigonometry
Transcript
600,000+
Students learning Algebra with Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD
