Which type of flour costs the least per pound?

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

Sara is buying flour for her bake shop. The prices of four types of flour are listed in the table below.

| Type of Flour | Weight | Price   |
|---------------|--------|---------|
| Wheat Flour   | 5 lb   | $12.50  |
| Rice Flour    | 8 lb   | $24.00  |
| Corn Flour    | 15 lb  | $33.75  |
| Soy Flour     | 24 lb  | $55.20  |

**Question:**  
Which type of flour costs the least per pound?

**Options:**  
A. Wheat flour  
B. Rice flour  
C. Corn flour  
D. Soy flour  

---

### Solution Explanation

To find which type of flour is the least expensive per pound, calculate the price per pound for each type of flour:

- **Wheat Flour:**  
  \( \frac{12.50}{5} = \$2.50 \) per pound

- **Rice Flour:**  
  \( \frac{24.00}{8} = \$3.00 \) per pound

- **Corn Flour:**  
  \( \frac{33.75}{15} = \$2.25 \) per pound

- **Soy Flour:**  
  \( \frac{55.20}{24} = \$2.30 \) per pound

From these calculations, the corn flour costs the least per pound at $2.25. Therefore, the answer is **C. Corn flour**.
Transcribed Image Text:### Problem Statement Sara is buying flour for her bake shop. The prices of four types of flour are listed in the table below. | Type of Flour | Weight | Price | |---------------|--------|---------| | Wheat Flour | 5 lb | $12.50 | | Rice Flour | 8 lb | $24.00 | | Corn Flour | 15 lb | $33.75 | | Soy Flour | 24 lb | $55.20 | **Question:** Which type of flour costs the least per pound? **Options:** A. Wheat flour B. Rice flour C. Corn flour D. Soy flour --- ### Solution Explanation To find which type of flour is the least expensive per pound, calculate the price per pound for each type of flour: - **Wheat Flour:** \( \frac{12.50}{5} = \$2.50 \) per pound - **Rice Flour:** \( \frac{24.00}{8} = \$3.00 \) per pound - **Corn Flour:** \( \frac{33.75}{15} = \$2.25 \) per pound - **Soy Flour:** \( \frac{55.20}{24} = \$2.30 \) per pound From these calculations, the corn flour costs the least per pound at $2.25. Therefore, the answer is **C. Corn flour**.
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