Fill in the blanks.
0.4 of the males are equal to
110 of the females.
- Number of males = _____ u
- Number of females = _____ u
- Total number of males and females = _____ u
- Difference between the number of males and females = _____ u
(a)
Change decimal and fraction into units.
0.4 =
410 =
2525 of the males =
110 of the females
Make the numerators the same.
LCM of 2 and 1 = 2
2 x 15 x 1 of the males =
1 x 210 x 2 of the females
25 of the males =
220 of the females
Number of males = 5 u
(b)
Number of females = 20 u
(c)
Total number of males and females
= 5 u + 20 u
= 25 u
(d)
Difference between the number of females and males
= 20 u - 5 u
= 15 u
Answer(s): (a) 5; (b) 20; (c) 25; (d) 15