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  1. anonymous
    • one year ago
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    D?

  2. welshfella
    • one year ago
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    Hint Cross multiply and find a in terms of 18 and 7

  3. anonymous
    • one year ago
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    Oh A? or C

  4. welshfella
    • one year ago
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    one of them is correct what did you get after cross multiplying?

  5. anonymous
    • one year ago
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    126

  6. welshfella
    • one year ago
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    |dw:1441915733401:dw|

  7. anonymous
    • one year ago
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    i dont know what A is

  8. welshfella
    • one year ago
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    no - cross multiplying is as above

  9. welshfella
    • one year ago
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    you dont multiply 7 by 18 cross multiplying in this case is 7 times a

  10. welshfella
    • one year ago
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    |dw:1441915864852:dw|

  11. welshfella
    • one year ago
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    so its 7a = 18

  12. anonymous
    • one year ago
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    Dont get it honestly.

  13. triciaal
    • one year ago
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    |dw:1441915939709:dw|

  14. welshfella
    • one year ago
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    now divide both sides by 7 7a 18 -- = -- 7 7 a = 18 / 7

  15. anonymous
    • one year ago
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    so isnt it 18 - 7

  16. triciaal
    • one year ago
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    |dw:1441916048830:dw|

  17. triciaal
    • one year ago
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    then you can continue with what @welshfella has above to get just a divide each side by 7

  18. anonymous
    • one year ago
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    A?

  19. anonymous
    • one year ago
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    OHHH I get it now

  20. triciaal
    • one year ago
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    great

  21. anonymous
    • one year ago
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    Thanks!

  22. triciaal
    • one year ago
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    so answer C

  23. anonymous
    • one year ago
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    Thanks so much that one i was stumped on forever..

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spraguer (Moderator)
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