Three P6 Problem Sums - Please Help

• kkhing

  5 Sep 09, 08:46

  [IMG]http://i300.photobucket.com/albums/nn19/k1ndan/Challenging1.jpg[/IMG]

  [IMG]http://i300.photobucket.com/albums/nn19/k1ndan/Challenging2.jpg[/IMG]

  [IMG]http://i300.photobucket.com/albums/nn19/k1ndan/Challenging3.jpg[/IMG]

   

   

• nganmatthias

  5 Sep 09, 21:28

  First Question: Refer to other threads. Answer is 89/90.

  Second Question:

  Every month: Tom $20 more

  After a few months: Tom $200 more

  No. of months: $200÷$20=10

  Work with either boy. I will choose Tom.

  $330÷$10=$33

  $33+$18=$51