Fill in the blanks.
Number of women at first is 35% of the adults.
Number of women is then increased to 50%.
- Number of women at first = _____ u
- Number of women in the end = _____ u
- Increase in the number of women = _____ u
- Number of adults in the end = _____ u
|
Women |
Men |
Before |
7 x 1 = 7 u |
13 x 1 = 13 u |
Change |
+ ? |
No change |
After |
1 x 13 = 13 u |
1 x 13 = 13 u |
(a)
Change percentage into units.
35% =
35100 =
720 50% =
50100 =
12 Fraction of the adults who are men at first
= 1 -
720 =
1320 Fraction of the adults who are men in the end
= 1 -
12=
12 Number of men at first and in the end remains the same.
The number of men is the unchanged quantity.
LCM of 13 and 1 = 13
Number of women at first = 7 u
(b)
Number of women in the end = 13 u
(c)
Increase in the number of women
= 13 u - 7 u
= 6 u
(d)
Number of adults in the end
= 13 u + 13 u
= 26 u
Answer(s): (a) 7; (b) 13; (c) 6; (d) 26