Math & YOU | 1.1 Order of Operations & Formulas

1.1 Order of Operations & Formulas

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1. Equal-Payment Plan for Natural Gas Bills
From October through August, on an equal-payment plan, you pay $50 each month on your gas bill. How much do you owe in September? (See Example 1.)
- Worked-Out Solution
  
  Add the 12 monthly usage amounts and subtract the 11 equal payments already made to find the amount you owe in September.
  
  $Equation 1$
  
  You owe $47.08 in September.
  
  Try downloading the spreadsheet with the data. Check your answer by entering $50.00 as the monthly payment.
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__ _ _ _ __ __ _ _ _ _ | || | || | || | || \ \\/ // | || | || | || | || | '--' || | || | || \ // | || | || | || | || | .--. || | \\_/ || / . \\ | \\_/ || | \\_/ || |_|| |_|| \____// /_//\_\\ \____// \____// `-` `-` `---` `-` --` `---` `---`
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Guest 7 months ago |

50.00

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Guest 11 months ago |

50.00

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Guest 11 months ago |

50.00

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Guest 1 year ago |

︻デ═一

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Guest 2 years ago |

ez points

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Guest 2 years ago |

._.

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Guest 4 years ago |

WIHYH

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Guest 5 years ago |

can you see my comment?

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Guest 6 years ago |

nigga what

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Ron Larson (author)1 decade ago |

Throughout this book, the lessons always have 6 pages. The exercises sets always have 4 pages and are correlated to the examples as follows:

1st page of exercises: Examples 1 and 2
2nd page of exercises: Examples 3 and 4
3rd page of exercises: Examples 5 and 6
4th page of exercises: Extends the concepts in Examples 1-6

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2. Equal-Payment Plan for Natural Gas Bills
You are on an equal-payment plan. What is the least amount that you can pay each month from October through August to owe nothing in September? (See Example 1.)

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__ __ ______ __ __ ___ _____ \ \\ / // /_ _// \ \\/ // / _ \\ / ___// \ \/ // -| ||- \ // | / \ || \___ \\ \ // _| ||_ / . \\ | \_/ || / // \// /_____// /_//\_\\ \___// /____// ` `-----` `-` --` `---` `-----`
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Guest 2 years ago |

you guys actually suck dick. bad company.

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Guest 2 years ago |

nigga if yall dont show tha answers if you dont u dont support blm

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Guest 5 years ago |

It doesn't show you how to do this problem though so how are we supposed to know how to do it??

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Jackie (moderator)1 decade ago |

The worked-out solutions are only available for odd-numbered problems, so unfortunately we cannot show the work for this exercise.

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Guest 1 decade ago |

show the work

19 4
3. Equal-Payment Plan for Electric Bills
From January through November, on an equal-payment plan, you pay $75 each
month on your electric bill. How much do you owe in December? (See Example 1.)
- Worked-Out Solution
  
  Add the 12 monthly usage amounts and subtract the 11 equal payments already made to find the amount you owe in December.
  
  $\text{[math]}$
  
  You owe $39.41 in December.
  
  Try downloading the spreadsheet with the data. Check your answer by entering $75.00 as the monthly payment.
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__ __ ___ __ __ ______ __ __ \ \\/ // / _ \\ \ \\ / // /_ _// \ \\ / // \ // | / \ || \ \/ // -| ||- \ \/ // / . \\ | \_/ || \ // _| ||_ \ // /_//\_\\ \___// \// /_____// \// `-` --` `---` ` `-----` `
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4. Equal-Payment Plan for Electric Bills
You are on an equal-payment plan. What is the least amount that you can pay each month from January through November to owe nothing in December? (See Example 1.)

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_ _ ___ ___ ____ | \| || / _ \\ ____ / _ \\ | _ \\ | ' || | / \ || | \\ | / \ || | |_| || | . || | \_/ || | [] || | \_/ || | . // |_|\_|| \___// | __// \___// |_|\_\\ `-` -` `---` |_|`-` `---` `-` --` `-`
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5. Calories in Pink Lemonade
There are 774 calories in a cup of sugar, 65 calories in a cup of fresh lemon juice, and 137 calories in a cup of cranberry juice. (See Example 2.)
1. How many calories are in the old-fashioned pink lemonade recipe?
2. This recipe makes nine servings. How many calories are in one serving?
- Worked-Out Solution
  To obtain the number of calories in the recipe, first, multiply the number of calories in a cup by the number of cups. Then, add.
  
  $Equation for finding total calories$
  
  There are about 1360 calories in the recipe.
  
  $Fraction Conversion Help$
  
  Divide the number of calories by the number of servings to get the number of calories per serving.
  
  $\text{[math]}$
  
  There are about 150 calories per serving.
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6. Calories in Fudge
There are 99 calories in an ounce of cream cheese, 12 calories in a teaspoon of vanilla extract, 389 calories in a cup of powdered sugar, and 145 calories in a square of chocolate. Salt has 0 calories.
(See Example 2.)
1. How many calories are in the fudge recipe?
2. This recipe uses an 8-inch by 8-inch dish. How many calories are in a 1-inch by 1-inch piece of fudge?
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______ ___ _____ ___ ______ | \\ / _ \\ |__ // / _ \\ /_ _// | -- // | / \ || / // | / \ || `-| |,- | -- \\ | \_/ || / //__ | \_/ || | || |______// \___// /_____|| \___// |_|| `------` `---` `-----` `---` `-`'
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