Algebra Puzzle – Challenge 45
Love to tease your brain with math and critical thinking challenges? If so, this is a great math puzzle for you.
Challenge:
The average of 14 numbers is 18 and the average of 18 numbers is 14. What is the average of all 32 numbers?
A- 15
B- 15.5
C- 15.75
D- 16.5
E- 17.5
The Absolute Best Book to Challenge Your Smart Student!
The correct answer is C.
The average of 14 numbers is 18. Therefore, the sum of 14 numbers is 252.
The average of 18 numbers is 14. Therefore, the sum of 18 numbers is 252. The sum of all 32 numbers is 504.
The average of 32 numbers is: 504 ÷ 32 = 15.75The Absolute Best Books to Ace Algebra
$14.99Satisfied 1 Students$14.99Satisfied 92 Students$15.99Satisfied 125 Students
Related to This Article
More math articles
- Top 10 Tips for Managing Time Effectively on the SAT Math
- Full-Length 8th Grade MCAS Math Practice Test-Answers and Explanations
- 5 Best Programmable Calculators
- The Best SAT Math Worksheets: FREE & Printable
- How to Solve a Quadratic Equation? (+FREE Worksheet!)
- How to Solve Problems Using Venn Diagrams
- Top 10 PERT Math Practice Questions
- Top 10 Math Books for Grade 4: Empowering Young Minds to Discover Numbers
- Top 10 8th Grade Common Core Math Practice Questions
- Top 10 Tips to Retake GED Math Test
What people say about "Algebra Puzzle – Challenge 45 - Effortless Math: We Help Students Learn to LOVE Mathematics"?
No one replied yet.