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6th Edition

Stewart + 5 others

Publisher: Cengage Learning

ISBN: 9780840068071

Chapter 1.6, Problem 30E

To determine

**To find: **the present age of the daughter.

Expert Solution

**Given:**

The given condition is “A father is four times as old as his daughter.”.

**Calculation:**

A father is four times as old as his daughter.

Let the daughter present age be

Therefore, father’s age is

According to the question, the future age of daughter is three times the sum of actual age and 6, which is equal to more than 6 years to the father’s age.

Therefore, the present age of the daughter is