Ron Larson
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2.1 Unit Prices

2.1 Unit Prices
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  • 11. Discount Store Savings on Fruit Drinks

    At a discount store, fruit drinks average $1.08 less per gallon than at a supermarket. A family of four people purchases all of its fruit drinks at the discount store. Use the graph to estimate the annual savings. (See Example 5 and Example 6.)

    • Worked-Out Solution

      So, on fruit drinks alone, the family is saving about $55.73 by shopping at the discount store. You can see that by doing all of their grocery shopping at the discount store, the family would save several hundred dollars each year.

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|  __ \\   |  ___||  / ____||   / _ \\   /_   _// 
| |  \ ||  | ||__   / //---`'  | / \ ||  `-| |,-  
| |__/ ||  | ||__   \ \\___    | \_/ ||    | ||   
|_____//   |_____||  \_____||   \___//     |_||   
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  • 12. Discount Store Savings on Ground Coffee

    At a discount store, ground coffee averages $0.10 less per ounce than at a supermarket. Four college roommates purchase all their ground coffee at the discount store. Use the graph to estimate the annual savings. (7.68 ounces of ground coffee make 1 gallon of coffee.) (See Example 5 and Example 6.)

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     _    _      ___      ____      _____    ______   
| |  | ||   / _ \\   |  _ \\   |  ___|| |      \\ 
| |/\| ||  / //\ \\  | |_| ||  | ||__   |  --  // 
|  /\  || |  ___  || | .  //   | ||__   |  --  \\ 
|_// \_|| |_||  |_|| |_|\_\\   |_____|| |______// 
`-`   `-` `-`   `-`  `-` --`   `-----`  `------`
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    system user
    Guest   4 years ago |
    MATH
    0
    system user
    Cody (moderator)1 decade ago |
    I'm not quite sure what you mean. Could you please explain your concerns and I will be happy to help answer any questions you might have.

    Thank you.
    3
    system user
    Guest   1 decade ago |
    i dont beleive this gives you enough TRUE information to solve this
    2
  • 13. Discount Store Savings on Water

    At a supermarket, a 24-pack of 16.9-fluid-ounce bottles of water costs $4.99.

    1. At a discount store, a 35-pack of 16.9-fluid-ounce bottles of water costs $4.49. Suppose you buy all your bottled water at the discount store instead of at the supermarket. How much will you save per year?

    2. Your tap water rate is $2.62 per 1000 gallons of water. Suppose you use tap water instead of buying bottled water at the supermarket. How much will you save per year? (See Example 5 and Example 6.)

    • Worked-Out Solution

      1. Begin by calculating the annual cost from each source.

        You would save $17.56 per year by buying your bottled water at a discount store.

      2. At $2.62 for 1000 gallons, tap water is close to being free.

        You would save $45.75 per year by using tap water instead of buying bottled water at a supermarket

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   | ||     -| ||-  | || | ||  | / \ ||  |    \\  
  _| ||     _| ||_  | \\_/ ||  | \_/ ||  | [] ||  
 /__//     /_____//  \____//    \___//   |  __//  
 `--`      `-----`    `---`     `---`    |_|`-`   
                                         `-`
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    system user
    Guest   3 years ago |
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  • 14. Savings on Homemade Coffee Creamer

    You use 0.5 fluid ounce of coffee creamer with each 6-fluid-ounce "cup" of coffee. The creamer that you use costs $2.19 for 16 fluid ounces. You can make homemade coffee creamer using the recipe shown. (See Example 5 and Example 6.)

    • Estimate how much you could save annually by making your own creamer.
    • The vanilla extract is optional. Estimate how much you could save annually by making your own creamer without the vanilla instead of buying the creamer at the store.
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     _    _    _    _                ___      ______  
| |  | || | || | ||     ___     / _ \\   /_____// 
| |/\| || | || | ||    /   ||  / //\ \\  `____ `  
|  /\  || | \\_/ ||   | [] || |  ___  || /___//   
|_// \_||  \____//     \__ || |_||  |_|| `__ `    
`-`   `-`   `---`       -|_|| `-`   `-`  /_//     
                         `-`             `-`
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