# The sum of the terms of an arithmetic progression is 38.5. The 1st term is 1 and the last term is 6. Work out how many terms there are in the arithmetic progression.

The sum of the terms of an arithmetic progression is 38.5. The 1st term is 1 and the last term is 6. Work out how many terms there are in the arithmetic progression.

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**Related Book For**

## Complete Pure Mathematics 1 For Cambridge International AS & A Level

**ISBN:** 9780198427438

2nd Edition

**Authors:** Jean Linsky, Brian Western, James Nicholson

**Question Details**

Chapter #

**7**Section: Exercises 7.3

Problem: 4

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