PSLE A caterer prepares chicken wings for some people attending the baby shower party. The ratio of the number of children to the number of adults attending is 1 : 6. Among the adults, the ratio of the number of men to the women is 1 : 5. A total of 242 chicken wings are prepared so that each child gets 4 chicken wings and each adult gets 3.
- What fraction of the people attending the party are women?
- How many adults are attending the party?
|
Children |
Adults |
Total |
Comparison between the number of children and adults |
1
|
6
|
7
|
|
|
Men |
Women |
|
Comparison between the number of children and adults |
|
1
|
5
|
|
Number |
1 u |
1 u |
5 u |
7 u |
Value |
4 |
3 |
3 |
|
Total value |
4 u |
3 u |
15 u |
22 u |
(a)
Fraction of the people that are adults =
67 Fraction of the adults that are women =
56 Fraction of the people that are women
=
67 x
56 =
57 (b)
Total number of chicken wings
= (1 u x 4) + (6 u x 3)
= 4 u + 18 u
= 22 u
22 u = 242
1 u = 242 ÷ 22 = 11
Number of adults
= 1 u + 5 u
= 6 u
= 6 x 11
= 66
Answer(s): (a)
57; (b) 66