Fill in the blanks.
0.8 of the males are equal to
12 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.
0.8 =
810 =
4545 of the males =
12 of the females
Make the numerators the same.
LCM of 4 and 1 = 4
4 x 15 x 1 of the males =
1 x 42 x 4 of the females
45 of the males =
48 of the females
Number of males = 5 u
(b)
Number of females = 8 u
(c)
Total number of males and females
= 5 u + 8 u
= 13 u
(d)
Difference between the number of females and males
= 8 u - 5 u
= 3 u
Answer(s): (a) 5; (b) 8; (c) 13; (d) 3