PSLE A caterer prepares hashbrowns for some people attending the baby shower 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 3 : 4. A total of 95 hashbrowns are prepared so that each child gets 2 hashbrowns and each adult gets 1.
- 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 |
|
3
|
4
|
|
Number |
6 u |
3 u |
4 u |
13 u |
Value |
2 |
1 |
1 |
|
Total value |
12 u |
3 u |
4 u |
19 u |
(a)
Fraction of the people that are adults =
713 Fraction of the adults that are men =
47 Fraction of the people that are men
=
713 x
47 =
413 (b)
Total number of hashbrowns
= (6 u x 2) + (7 u x 1)
= 12 u + 7 u
= 19 u
19 u = 95
1 u = 95 ÷ 19 = 5
Number of adults
= 3 u + 4 u
= 7 u
= 7 x 5
= 35
Answer(s): (a)
413; (b) 35