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 By: Kat (offline)  Tuesday, September 07 2010 @ 08:02 PM CDT (Read 1973 times)
Kat

Hi All,

I'm unable to solve this question & get the incorrect answer ie 18 & 1/2 days.

Question
Ahmad and Halim together took 5 days to paint their house. If Ahmad and Halim work together for 2 days, followed by Ahmad working along for 8 days, Halim will take 1 more day to complete the remaining work. How long will Ahmad take to paint the house all by himself?
Correct answer is 17 & 1/2 days.

Newbie

Registered: 11/16/09
Posts: 2

 By: rathanackumr (offline)  Wednesday, September 08 2010 @ 01:29 AM CDT
rathanackumr

There are different ways to approach this sum. I prefer the model method to others.

Junior

Registered: 07/22/10
Posts: 18

 By: Kat (offline)  Wednesday, September 08 2010 @ 03:01 AM CDT
Kat

Thank you

Newbie

Registered: 11/16/09
Posts: 2

 By: Rachelhello (offline)  Thursday, September 09 2010 @ 04:08 AM CDT
Rachelhello

Hey (: I am also a primary 6. had my prelim and found out that the paper was actually just tricky. due to the question. you can use both of the number to become a time table then see which is similar. that#s the shorter way.

Newbie

Registered: 09/01/10
Posts: 1

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