This blog is managed by Song Hock Chye, author of Improve Your Thinking Skills in Maths (P1-P3 series), which is published and distributed by EPH.

## Monday, April 14, 2008

### Ai Tong School P5 SA1 2006 Math (Q42)

800 people attended the 2006 New Year’s party. 2/5 of the men and ½ of the women are Malay adults. There were an equal number of male and female Chinese adults. There were also 140 children at the party.

(a) How many female Chinese adults were at the party?
(b) What fraction of the people attending the party were male Malay adults?

11 units ----- 660
1 unit ----- 660 divided by 11 = 60

(a) How many female Chinese adults were at the party?

(Chinese women) 3 units ----- 60 x 3 = 180

Answer: There were 180 Chinese women

(b) What fraction of the people attending the party were male Malay adults?

(Malay men) 2 units ----- 60 x 2 = 120

Fraction of people who were male Malay adults -----

120/800 = 3/20

Answer: The fraction of people who were male Malay adults was 3/20.