Working together, Sandy and Adrianna can design a website in 6 hours. If each works alone, Adrianna takes five more hours than it would take Sandy to do the same job. How long would it take Sandy to design a website working alone?

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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**Problem Statement for Educational Website**

*Collaborative Work Problem*

---

**Scenario:**

Working together, Sandy and Adrianna can design a website in 6 hours.

If each works alone, Adrianna takes five more hours than it would take Sandy to do the same job. 

*Question:*

How long would it take Sandy to design a website working alone?

---

**Method to Solve:**

1. **Let \( t \) be the time (in hours) it takes Sandy to design a website alone.**
2. **Then, Adrianna's time to complete the same task would be \( t + 5 \) hours.**
3. **To find the combined work rate:**
   - Sandy's work rate is \( \frac{1}{t} \) websites/hour.
   - Adrianna's work rate is \( \frac{1}{t+5} \) websites/hour.
4. **Combined work rate when working together:**
   - The combined rate is given by the sum of their individual rates: \( \frac{1}{t} + \frac{1}{t+5} \).
5. **Since working together they complete the website in 6 hours:**
   - Combined work rate is also \( \frac{1}{6} \) websites/hour.
6. **Setting up the equation:**
   \[
   \frac{1}{t} + \frac{1}{t+5} = \frac{1}{6}
   \]
7. **Solving the equation for \( t \) would give the time it takes Sandy to design a website alone.**

**Detailed Steps to Solve:**

1. **Find a common denominator and combine the fractions.**
2. **Set the equation equal to the combined work rate.**
3. **Solve for \( t \).**

This problem requires knowledge of algebra, especially working with rational equations to solve work problems.
Transcribed Image Text:**Problem Statement for Educational Website** *Collaborative Work Problem* --- **Scenario:** Working together, Sandy and Adrianna can design a website in 6 hours. If each works alone, Adrianna takes five more hours than it would take Sandy to do the same job. *Question:* How long would it take Sandy to design a website working alone? --- **Method to Solve:** 1. **Let \( t \) be the time (in hours) it takes Sandy to design a website alone.** 2. **Then, Adrianna's time to complete the same task would be \( t + 5 \) hours.** 3. **To find the combined work rate:** - Sandy's work rate is \( \frac{1}{t} \) websites/hour. - Adrianna's work rate is \( \frac{1}{t+5} \) websites/hour. 4. **Combined work rate when working together:** - The combined rate is given by the sum of their individual rates: \( \frac{1}{t} + \frac{1}{t+5} \). 5. **Since working together they complete the website in 6 hours:** - Combined work rate is also \( \frac{1}{6} \) websites/hour. 6. **Setting up the equation:** \[ \frac{1}{t} + \frac{1}{t+5} = \frac{1}{6} \] 7. **Solving the equation for \( t \) would give the time it takes Sandy to design a website alone.** **Detailed Steps to Solve:** 1. **Find a common denominator and combine the fractions.** 2. **Set the equation equal to the combined work rate.** 3. **Solve for \( t \).** This problem requires knowledge of algebra, especially working with rational equations to solve work problems.
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