Find the Sum of the First N Terms of the Following

question 93

Multiple Choice

Find the sum of the first n terms of the following arithmetic sequence.
- $$a _ { 1 } = 5 , d = 5 ; \quad n = 4$$

• A) 50
• B) 20
• C) 15
• D) 25

---

Definitions:

Conclusions

The summary of findings or the final arguments presented after an analysis or discussion.

Apparatuses

A set of materials or equipment designed for a particular use or function.

Keynes

John Maynard Keynes was a British economist whose ideas fundamentally changed the theory and practice of macroeconomics and the economic policies of governments, especially his advocacy for active government intervention to stabilize economies.

The Classicals

A group of economists in the 18th and 19th centuries, including Adam Smith and David Ricardo, who developed theories about how economies function.