4) Install a Hot Tub The hot tub you've installed iIs 75 feet wide, 85 feet long and 36 inches deep. One gallon of water flls 0.134 cubic feet. O Make a sketch of the hot tub and label its dimensions. O Calculate how many gallons of water are needed to fll the tub. a

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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### Task: Install a Hot Tub

The hot tub you've installed is 7.5 feet wide, 8.5 feet long, and 36 inches deep. One gallon of water fills 0.134 cubic feet.

#### Instructions:

1. **Make a sketch of the hot tub and label its dimensions.**
    - Width: 7.5 feet
    - Length: 8.5 feet
    - Depth: 36 inches (Note: Ensure you convert the depth from inches to feet for all calculations involving volume.)

2. **Calculate how many gallons of water are needed to fill the tub.** 

    - **Step 1:** Convert the depth from inches to feet.
      \[
      36 \, \text{inches} = 3 \, \text{feet}
      \]
      
    - **Step 2:** Calculate the volume of the hot tub in cubic feet.
      \[
      \text{Volume} = \text{width} \times \text{length} \times \text{depth}
      \]
      \[
      \text{Volume} = 7.5 \, \text{ft} \times 8.5 \, \text{ft} \times 3 \, \text{ft}
      \]
      \[
      \text{Volume} = 191.25 \, \text{cubic feet}
      \]
      
    - **Step 3:** Convert the volume from cubic feet to gallons.
      \[
      \text{Gallons} = \frac{\text{Volume in cubic feet}}{\text{Volume per gallon}}
      \]
      \[
      \text{Gallons} = \frac{191.25 \, \text{cubic feet}}{0.134 \, \text{cubic feet per gallon}}
      \]
      \[
      \text{Gallons} \approx 1427.61 \, \text{gallons}
      \]
      
#### Result:
Approximately 1427.61 gallons of water are needed to fill the hot tub. 

(Note: Ensure to round your answer to a suitable number of decimal places based on the context of the problem.)
Transcribed Image Text:### Task: Install a Hot Tub The hot tub you've installed is 7.5 feet wide, 8.5 feet long, and 36 inches deep. One gallon of water fills 0.134 cubic feet. #### Instructions: 1. **Make a sketch of the hot tub and label its dimensions.** - Width: 7.5 feet - Length: 8.5 feet - Depth: 36 inches (Note: Ensure you convert the depth from inches to feet for all calculations involving volume.) 2. **Calculate how many gallons of water are needed to fill the tub.** - **Step 1:** Convert the depth from inches to feet. \[ 36 \, \text{inches} = 3 \, \text{feet} \] - **Step 2:** Calculate the volume of the hot tub in cubic feet. \[ \text{Volume} = \text{width} \times \text{length} \times \text{depth} \] \[ \text{Volume} = 7.5 \, \text{ft} \times 8.5 \, \text{ft} \times 3 \, \text{ft} \] \[ \text{Volume} = 191.25 \, \text{cubic feet} \] - **Step 3:** Convert the volume from cubic feet to gallons. \[ \text{Gallons} = \frac{\text{Volume in cubic feet}}{\text{Volume per gallon}} \] \[ \text{Gallons} = \frac{191.25 \, \text{cubic feet}}{0.134 \, \text{cubic feet per gallon}} \] \[ \text{Gallons} \approx 1427.61 \, \text{gallons} \] #### Result: Approximately 1427.61 gallons of water are needed to fill the hot tub. (Note: Ensure to round your answer to a suitable number of decimal places based on the context of the problem.)
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