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
Related to This Article
More math articles
- What to Consider When Retaking the ACT or SAT
- FREE 5th Grade Georgia Milestones Assessment System Math Practice Test
- SAT Math Level 2 Calculator Tips to Boost Your Score
- Top 10 Tips You MUST Know to Retake the CHSPE Math
- How to Divide Polynomials?
- Parallel and Perpendicular Lines for 4th Grade
- Top 10 6th Grade MCAS Math Practice Questions
- Free Grade 7 English Worksheets for Hawaii Students
- Top 10 Tips to Overcome TExES Core Subjects Math Anxiety
- Top 10 4th Grade MEAP Math Practice Questions
What people say about "Algebra Puzzle – Challenge 45 - Effortless Math"?
No one replied yet.