Precalculus Enhanced with Graphing Utilities
Precalculus Enhanced with Graphing Utilities
6th Edition
ISBN: 9780321795465
Author: Michael Sullivan, Michael III Sullivan
Publisher: PEARSON
Question
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Chapter A.8, Problem 38AYU
To determine

To find: How many miles should therese deduct as a business expense?

Expert Solution & Answer
Check Mark

Answer to Problem 38AYU

40 * 500 miles for business.

Explanation of Solution

Given:

There, an outside salesperson, uses her car for both business and pleasure. Last year, she travelled 30,000 miles, using 900 gallons of gasoline. Her car gets 40 miles per gallon on the highway and 25 in the city. She can deduct all highway travel, but no city travel, on her taxes.

Calculation:

Highway gallons + city gallons = 900

h + c = 900

40h + 25c = 900

Highway miles + city miles = 30000

h = 500, c = 400

Deduct 40 * 500 miles for business.

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