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 1 year ago |

50.00

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Guest 1 year ago |

50.00

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Guest 1 year ago |

50.00

0 0

Guest 2 years ago |

︻デ═一

1 0

Guest 2 years ago |

ez points

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Guest 2 years ago |

._.

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Guest 5 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 3 years ago |

you guys actually suck dick. bad company.

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Guest 3 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.

1 18

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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!oziq

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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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