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amber15

  • 2 years ago

a certain recipe asks for 8/9 cup of granola. how much is needed to make 7/9 of a recipe . To make 7/9 of a recipe ___ cup of granola is needed is my answer 4/5 can some one check see if it correct doing test

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  1. texaschic101
    • 2 years ago
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    @agent0smith ...can you help. I don't know if I am even doing this correctly.....If it takes 8/9 for the entire recipe and you are making 7/9...would you just subtract 2/9 from 8/9 equaling 6/9 equaling 2/3 ? Or am I way off on how to do this problem ???

  2. agent0smith
    • 2 years ago
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    You need to multiply them.

  3. texaschic101
    • 2 years ago
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    multiply what ? 2/9 * 8/9 ? what needs to be multiplied ?

  4. amber15
    • 2 years ago
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    8/9 and the 7/9

  5. texaschic101
    • 2 years ago
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    oh.....I was way off.....thx for getting me on track

  6. agent0smith
    • 2 years ago
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    If you want to make twice the recipe, you'd have to double the 8/9 right? ie 2*8/9. If you want only 7/9 of the recipe, 7/9*8/9

  7. texaschic101
    • 2 years ago
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    I tried that earlier by setting the problem up as a proportion...I thought I was doing it wrong

  8. amber15
    • 2 years ago
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    56/91

  9. amber15
    • 2 years ago
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    opps 56/81

  10. texaschic101
    • 2 years ago
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    Thats the product when you multiply...so yes....56/81

  11. amber15
    • 2 years ago
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    so that the answer 56/81

  12. texaschic101
    • 2 years ago
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    I think so.....according to agent0smith....and this person knows math.

  13. amber15
    • 2 years ago
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    okay

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