Fill in the blanks.
Number of men at first is 35% of the adults.
Number of men is then increased to 40%.
- Number of men at first = _____ u
- Number of men in the end = _____ u
- Increase in the number of men = _____ u
- Number of adults in the end = _____ u
|
Men |
Women |
Before |
7 x 3 = 21 u |
13 x 3 = 39 u |
Change |
+ ? |
No change |
After |
2 x 13 = 26 u |
3 x 13 = 39 u |
(a)
Change percentage into units.
35% =
35100 =
720 40% =
40100 =
25 Fraction of the adults who are women at first
= 1 -
720 =
1320 Fraction of the adults who are women in the end
= 1 -
25=
35 Number of women at first and in the end remains the same.
The number of women is the unchanged quantity.
LCM of 13 and 3 = 39
Number of men at first = 21 u
(b)
Number of men in the end = 26 u
(c)
Increase in the number of men
= 26 u - 21 u
= 5 u
(d)
Number of adults in the end
= 26 u + 39 u
= 65 u
Answer(s): (a) 21; (b) 26; (c) 5; (d) 65