PSLE A caterer prepares chicken wings for some people attending the anniversary party. The ratio of the number of children to the number of adults attending is 6 : 7. Among the adults, the ratio of the number of women to the men is 6 : 1. A total of 64 chicken wings are prepared so that each child gets 3 chicken wings and each adult gets 2.
- What fraction of the people attending the party are men?
- How many adults are attending the party?
|
Children |
Adults |
Total |
Comparison between the number of children and adults |
6
|
7
|
13
|
|
|
Women |
Men |
|
Comparison between the number of children and adults |
|
6
|
1
|
|
Number |
6 u |
6 u |
1 u |
13 u |
Value |
3 |
2 |
2 |
|
Total value |
18 u |
12 u |
2 u |
32 u |
(a)
Fraction of the people that are adults =
713 Fraction of the adults that are men =
17 Fraction of the people that are men
=
713 x
17 =
113 (b)
Total number of chicken wings
= (6 u x 3) + (7 u x 2)
= 18 u + 14 u
= 32 u
32 u = 64
1 u = 64 ÷ 32 = 2
Number of adults
= 6 u + 1 u
= 7 u
= 7 x 2
= 14
Answer(s): (a)
113; (b) 14