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Math Help - Please answer these?

  1. #1
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    Please answer these?

    1. a book costs 7.34 work out the cost of 25 books

    2. 20 of the maths books have plastic covers. write 20 out of 25 as a percentage

    3. simplify fully - 6n + 7n-8n, 4a x 5b

    4. multiply out - 3(2x + 5)

    5. Work out 60% of 5300kg
    find the simple interest on 2500 for 2 years at 6% per year.

    6. a shop sells different sound systems on credit. the weekly payment is w pounds. the total amount paid, c pounds, is given by the formula c = 10w + 35.
    the total amount paid for a mini sound system is 260.
    calculate the weekly payment for a mini sound system
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  2. #2
    MHF Contributor undefined's Avatar
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    Quote Originally Posted by callum155 View Post
    1. a book costs 7.34 work out the cost of 25 books

    2. 20 of the maths books have plastic covers. write 20 out of 25 as a percentage

    3. simplify fully - 6n + 7n-8n, 4a x 5b

    4. multiply out - 3(2x + 5)

    5. Work out 60% of 5300kg
    find the simple interest on 2500 for 2 years at 6% per year.

    6. a shop sells different sound systems on credit. the weekly payment is w pounds. the total amount paid, c pounds, is given by the formula c = 10w + 35.
    the total amount paid for a mini sound system is 260.
    calculate the weekly payment for a mini sound system
    You have blatantly disregarded several forum rules.

    http://www.mathhelpforum.com/math-he...ng-151418.html
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  3. #3
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    Just answer the questions or don't write anything
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  4. #4
    Senior Member yeKciM's Avatar
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    read forum rules before posting ...
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  5. #5
    MHF Contributor undefined's Avatar
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    Quote Originally Posted by callum155 View Post
    Just answer the questions or don't write anything
    This is not a homework service.

    You just read the rules or don't write anything.
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  6. #6
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    Quote Originally Posted by undefined View Post
    You have blatantly disregarded several forum rules.

    http://www.mathhelpforum.com/math-he...ng-151418.html
    Specifically Rules #4, #8 and #11.

    And in hindsight, rule #3 might also be worth reading.

    The members who have suggested in this thread that the forum Rules be read have acted appropriately and in good faith in order to maintain the smooth running of MHF.

    However, to avoid unpleasantness I would suggest to all members that if they come across a post that they think breaks forum rules, it is best to report that post to a Moderator using the Report Post tool (click on the triangle at bottom left of all posts).
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