Sunday, July 29, 2012

S3 Maths Supplements :) Yummy!!

Maths supplement continues ...

S3:
A sweater costs $24. It costs twice as much as a shirt.
Find the total cost of 3 sweaters and 3 shirts.

Have fun! :)

Mrs R

47 comments:

  1. My answer is $108.What have all of you got?

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  2. My answer is $108.

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  3. my answer is also $108

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  4. my answer is $108

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  5. Hi! My answer is also $108.

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  6. The total cost of the sweaters and the shirts is $108

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  7. my answer is $108.

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  8. The answer I got for this question is $108.

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  9. My answer is......





    $108!!!!!!!!!!!!!!
    -Chen Jing

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  10. The total cost of 3 sweaters and 3 shirts is $108.What answer did
    you'll get?

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  11. My answer is $108.

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  12. My answer is $108.

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  13. Working:

    3 sweaters = $24 x 3
    = $72

    1 shirt = $24/2
    = $12

    3 shirt = $12 x 3
    = $36

    3 sweater + 3 shirt = $36 + $72
    = $108

    Easy Peasy. XD

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  14. 24*3=72
    (24/2)*3=36
    72+36=108
    $108,
    ta da!

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  15. 24/2=12
    12 = 1 t-shirt.
    3 T-shirts = 12*3
    = 36
    3 sweatshirts = 24*3
    = 72
    Total = 72+36= 108

    3 sweatshirts and 3 t-shirts cost $108.

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  16. $24/2=$12(shirt)
    $12x3=$36(3 shirts)
    $24x3=$72(3 sweaters)
    $72+$36=$108(3 sweater + 3 shirts)

    The total cost of 3 sweaters and 3 shirts is $108.

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  17. 1 shirt-$24/2
    =$12
    3 shirt-3x$12
    =$36
    3 sweater-3x$24
    =$72
    $72+$36=$108

    The total cost of 3 sweaters and 3 shirts is $108.

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  18. 1 sweater=$24
    1 shirt=$24/2
    =$12
    3 shirts=$12x3
    =$36
    3 sweaters=$24x3
    =$72
    $36+$72=$108

    The total cost of 3 shirts and 3 sweaters is $108.

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  19. 1s+$24
    1sh+$24/2=12
    12x3=36
    24x3=72
    36+72=108

    It is $108.

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  20. 1 sweater-$24
    1 shirt= 24/2
    =12
    3 shirts= 12x3
    =36
    3 sweaters= 24x3
    =72
    3 sweaters+3 shirts=36+72
    =108

    ANS: 108
    (Took a long time aligning those numbers.)

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  21. 1 sweater = $24
    Half of a sweater = $12(shirt)
    $24 + $12 = $36(1 sweater and 1 shirt)
    $36 x 3 = $108 (3 sweaters and 3 shirts)
    The total cost of 3 sweaters and 3 shirts is $108.
    (Looks like my method is a bit different from the others)

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  22. a sweater->2 unit
    2u=$24
    1u=$12
    3x12=36
    3x24=72
    72+36=$108
    Answer:$108

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  23. 1 sweater(2u):$24
    2u-->$24
    1u-->24/2
    =12
    3 sweaters:6u
    3 shirts:3u
    6u+3u=9u
    1u-->$12
    9u-->12x9
    =$108

    The total cost is $108.

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