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karatechopper

  • 2 years ago

This is for a friend:) If anyone could help I would appreciate lots! Write a word problem that can be solved by working backward. Include at least two steps in the problem. Then, show the answer and how the problem can be solved by working backward.

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  1. karatechopper
    • 2 years ago
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    You all don't have to show the answer or how it is solved. I can do that. I just need help in figuring out a word problem that will be solved backwards?

  2. rebeccaskell94
    • 2 years ago
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    D: Someone asked me the same question. boohoo I found this on google xD Carli filled her tank full with gas. She used half her gas to go to school, then 5 gallons going to work, and the last 3 gallons just driving around. How much can her tank hold? answer is 16 gallons

  3. karatechopper
    • 2 years ago
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    OMG thanks so much becccss!!

  4. karatechopper
    • 2 years ago
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    ok now.. @Vivi305 u here?

  5. rebeccaskell94
    • 2 years ago
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    lol love me some yahoo! answers xD

  6. Vivi305
    • 2 years ago
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    yes i am here

  7. TheViper
    • 2 years ago
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    umm... Equation is:-\[\Huge{\color{green}{\frac{x}{2}-5-3=0}}\]

  8. TheViper
    • 2 years ago
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    Correct?

  9. TheViper
    • 2 years ago
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    x=no. of gallons

  10. rebeccaskell94
    • 2 years ago
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    There is always option B xD A scientist has a special bacteria that when he places a batch in a beaker, can double in volume every minute. He puts a few of the bacteria in a beaker. In an hour, the beaker is full. When was it 1/4 full? Working backwards, it must have been 1/2 full at 59 minutes, because in the 60th minute it doubled in volume. Similarly, it must have been 1/4 full at 58 minutes.

  11. karatechopper
    • 2 years ago
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    lol @vivi305 should know

  12. TheViper
    • 2 years ago
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    it took so much time @karatechopper :D

  13. rebeccaskell94
    • 2 years ago
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    lol

  14. karatechopper
    • 2 years ago
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    Lol but its not my question!

  15. rebeccaskell94
    • 2 years ago
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    xD

  16. TheViper
    • 2 years ago
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    hmm.... I think it's @Vivi305 's question :O

  17. rebeccaskell94
    • 2 years ago
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    lol you think? xD

  18. karatechopper
    • 2 years ago
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    It is!

  19. TheViper
    • 2 years ago
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    xD

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