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CookieGirl

  • one year ago

Please help i will give you a medal! :D Which expressions are equivalent to the expression 20 ÷ (4 – 2)? Choose exactly two answers that are correct. A. 8 + 12 ÷ 2 B. 14 – 8 ÷ 2 C. 2 • (7 – 4) D. 16 – 14 ÷ 2 + 1

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  1. welshfella
    • one year ago
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    what does 20 / (4 - 2) equal? work out what is in the parentheses first

  2. CookieGirl
    • one year ago
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    10?

  3. welshfella
    • one year ago
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    yes now work out the 4 options and see which of these also equal 10 remember the order of operations.

  4. CookieGirl
    • one year ago
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    umm ok thanks....

  5. welshfella
    • one year ago
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    for example A:- do the division first

  6. welshfella
    • one year ago
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    8 + 12 / 2 = 8 + 6

  7. CookieGirl
    • one year ago
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    its 14

  8. welshfella
    • one year ago
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    - so A is not = to 10.

  9. welshfella
    • one year ago
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    yes so you can cross off A

  10. CookieGirl
    • one year ago
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    and B is 3 so its not B either

  11. CookieGirl
    • one year ago
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    so its C and D?

  12. welshfella
    • one year ago
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    No B is not 3 DO the DIVISION first.

  13. CookieGirl
    • one year ago
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    I did....

  14. welshfella
    • one year ago
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    i mad a mistake like that earlier on!

  15. welshfella
    • one year ago
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    14 - 8 / 2 = 14 - 4

  16. CookieGirl
    • one year ago
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    so its B and D?....

  17. welshfella
    • one year ago
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    yes

  18. CookieGirl
    • one year ago
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    Thanks for your help...

  19. welshfella
    • one year ago
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    yw

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