Fill in the blanks in whole numbers or fractions.
The ratio of adults to children is 1 : 1.
The ratio of boys to girls is 6 : 5.
The number of women to men is 4 : 3.
Let the number of children be 1 u.
- Number of adults = _____ u
- Number of boys = _____ u
- Number of men = _____ u
- Total number of people = _____ u
Adults |
Children |
1 u |
1 u |
Women |
Men |
Boys |
Girls |
4 |
3 |
6 |
5 |
|
37 x 1 u = 37 u |
611 x 1 u = 611 u |
|
(a)
Change ratio into units.
Boys : Girls : Children
6 : 5 : 6 + 5
6 : 5 : 11
Number of adults = 1 u
(b)
Number of children = 1 u
Fraction of the children that were boys =
611 Number of boys
=
611 x 1 u
=
611 u
(c)
Number of adults = 1 u
Fraction of the adults that were men =
37 Number of men
=
37 x 1 u
=
37 u
(d)
Total number of people
= 1 u + 1 u
= 2 u
Answer(s): (a) 1; (b)
611; (c)
37; (d) 2