Fill in the blanks.
0.4 of the females are equal to
18 of the males.
- Number of females = _____ u
- Number of males = _____ u
- Total number of females and males = _____ u
- Difference between the number of females and males = _____ u
(a)
Change decimal and fraction into units.
0.4 =
410 =
2525 of the females =
18 of the males
Make the numerators the same.
LCM of 2 and 1 = 2
2 x 15 x 1 of the females =
1 x 28 x 2 of the males
25 of the females =
216 of the males
Number of females = 5 u
(b)
Number of males = 16 u
(c)
Total number of females and males
= 5 u + 16 u
= 21 u
(d)
Difference between the number of males and females
= 16 u - 5 u
= 11 u
Answer(s): (a) 5; (b) 16; (c) 21; (d) 11