Monday 3 September 2012

7th September - Problem no. 45 & 22

45) A tin of biscuits has a mass of 1243g. When it is half full, its mass is 728g. What is the 

mass of the tin when it is empty?


22) Rebecca bought 4 bottles of soft drink. Each bottle $1.65 and contained 1.25l of soft 

drink. (a)How many times of soft drink did she buy?

(b) If she paid the cashier $10, how much change did she receive? 

8 comments:

  1. I think you mean "how many litres of soft drink did she buy?"for Q(a).

    ReplyDelete
  2. Yong Shin,
    I think she meant how much she had paid for (a) as in (b), she asked for the change.

    ReplyDelete
  3. thank you mdm pavi for posting the problem sums for us

    ReplyDelete
  4. thank you mdm pavithra for posting the problem sums for us

    ReplyDelete
  5. thanks Mdm Pavi for posting the problem sums

    ReplyDelete
  6. Dear Mdm Pavithra,
    Thank you for posting up the problem sums!

    ReplyDelete
  7. Dear Mdm pavithra thank you for posting the problem sums question!

    Best Regards,

    Sheryl Ng

    ReplyDelete
  8. Dear Mdm Pavithra,
    thank you for posting the questions.

    ReplyDelete