   Chapter 17, Problem 7CR ### Contemporary Mathematics for Busin...

8th Edition
Robert Brechner + 1 other
ISBN: 9781305585447

#### Solutions

Chapter
Section ### Contemporary Mathematics for Busin...

8th Edition
Robert Brechner + 1 other
ISBN: 9781305585447
Textbook Problem

# Write the formula for the sum of the digits of the useful life of an asset, where n is the number of years of useful life. (17-2)

To determine

The formula for the sum of digits of the useful life of an asset when n is the number of years of useful life of the asset.

Explanation

The number of years of useful life of an asset is given as n years.

So, to calculate the sum of digits of useful life of an asset, one has to add the number of years as:

1+2+3++n=n(n+1)2

Where, n is the useful life of asset in years.

For example, if one has to calculate the sum of digits of the useful life of an asset when the useful life is n=3 years,

Then the sum of digits of useful life of the asset can be calculated as:

1+2+<

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