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ineedbiohelpandquick

the gasoline gauge on a van initially read 1/3 full when 10 gallons were added to the tank the gauge read 3/4 full how many more gallons are needed to fill the tank?

  • one year ago
  • one year ago

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  1. asnaseer
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    ok, best way to solve these is to use algebra. so lets call the capacity of the tank c gallons. this means that initially the tank contained c/3 gallons as it was 1/3 full. ok so far?

    • one year ago
  2. ineedbiohelpandquick
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    yes :)

    • one year ago
  3. asnaseer
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    good, you are then told that when 10 gallons are added it become 3/4 full.

    • one year ago
  4. asnaseer
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    this translates to: 3c/4 = c/3 + 10

    • one year ago
  5. asnaseer
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    agreed?

    • one year ago
  6. ineedbiohelpandquick
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    yes

    • one year ago
  7. asnaseer
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    ok, so now you just need to solve this equation - do you know how?

    • one year ago
  8. ineedbiohelpandquick
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    kinda

    • one year ago
  9. asnaseer
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    why don't you have a go and I'll help if you get stuck

    • one year ago
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