Fill in the blanks.
0.8 of the females are equal to
57 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.
0.8 =
810 =
4545 of the females =
57 of the males
Make the numerators the same.
LCM of 4 and 5 = 20
4 x 55 x 5 of the females =
5 x 47 x 4 of the males
2025 of the females =
2028 of the males
Number of females = 25 u
(b)
Number of males = 28 u
(c)
Total number of females and males
= 25 u + 28 u
= 53 u
(d)
Difference between the number of males and females
= 28 u - 25 u
= 3 u
Answer(s): (a) 25; (b) 28; (c) 53; (d) 3