Tuesday, 7 August 2012

(7th August)Revision on Skill Set 5 - Work Backwards

2) A is a number.
   
    Add 5 to A and multiply the result by 10.

    Subtract 8 from the product and divide the result of 2.

    The final result is 151.

     What is A?



3) There are 100 marbles in Bag A and Bag B altogether. 24 marbles are taken from Bag A and another 15
    
     marbles are transferred from Bag A to Bag B. In the end, Bag a and Bag B have the same number of
    
     marbles. How many marbles are there in each bag at first?
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9 comments:

  1. @Tingaling7 August 2012 at 04:24

    thank you!

    ReplyDelete
  2. Anonymous7 August 2012 at 04:46

    Dear Mdm Pavithra,
    Thank you for posting up these problem sums!

    ReplyDelete
  3. Sheryl Ng7 August 2012 at 04:52

    Dear Mdm Pavithra,thank you for posting the problem sums questions!

    Best Regards,

    Sheryl Ng

    ReplyDelete
  4. Celest7 August 2012 at 04:56

    Thank you Mdm Pavithra for posting!

    ReplyDelete
  5. Jemima Phua7 August 2012 at 05:51

    Thanks Mdm Pavi for posting them up!

    ReplyDelete
  6. Unknown8 August 2012 at 05:46

    Thank a lot for posting up these problem sums!

    ReplyDelete
  7. Jesslynn Khong9 August 2012 at 06:03

    Dear Mdm Pavithra,
    thank you for posting the problem sums.

    ReplyDelete
  8. Unknown13 August 2012 at 06:41

    Thank You!

    ReplyDelete
  9. Alicia18 August 2012 at 00:33

    Thank you, Mdm Pavithra for posting!

    ReplyDelete

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