# Intelligent Math Puzzle – Challenge 83

If you REALLY enjoy solving complicated math puzzles and exercising your brain, then this math challenge is just for you!

## Challenge:

(-70) + (-60) + (-50) + (-40) + … + n = ?

If the pattern of the above operation continues, which of the following could be the answer?

**A-** 90

**B-** 100

**C-** 150

**D-** 170

**E-** 200

### The Absolute Best Book to Challenge Your Smart Student!

The correct answer is D.

The first number in the equation is -70 and the next item is 10 more than the previous number. If the pattern continues, the sum of all numbers till number +70 is 0. Why?

The next number is 80 and the number after that is 90.

80 + 90 = 170

The Best Books to Ace AlgebraOriginal price was: $29.99.$14.99Current price is: $14.99.Original price was: $29.99.$14.99Current price is: $14.99.Satisfied 1 StudentsOriginal price was: $24.99.$14.99Current price is: $14.99.Satisfied 92 StudentsOriginal price was: $24.99.$15.99Current price is: $15.99.Satisfied 125 Students

## Related to This Article

### More math articles

- The Ultimate TSI Math Formula Cheat Sheet
- Journey to the Land of Proportions: How to Write and Solve Equations Utilizing Proportional Relationships
- 4th Grade K-PREP Math Worksheets: FREE & Printable
- How to Apply Trigonometry: Practical Uses and Insights into Engineering and Astronomy
- The Best CBEST Math Worksheets: FREE & Printable
- How long are Praxis Scores valid?
- 10 Most Common 4th Grade MCAS Math Questions
- Top 10 7th Grade NYSE Math Practice Questions
- Distributing Decimals: How to Multiply with a 1-digit Whole Number
- 6th Grade Wisconsin Forward Math Worksheets: FREE & Printable

## What people say about "Intelligent Math Puzzle – Challenge 83 - Effortless Math: We Help Students Learn to LOVE Mathematics"?

No one replied yet.