Fill in the blanks.
0.8 of the females are equal to
15 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 =
15 of the males
Make the numerators the same.
LCM of 4 and 1 = 4
4 x 15 x 1 of the females =
1 x 45 x 4 of the males
45 of the females =
420 of the males
Number of females = 5 u
(b)
Number of males = 20 u
(c)
Total number of females and males
= 5 u + 20 u
= 25 u
(d)
Difference between the number of males and females
= 20 u - 5 u
= 15 u
Answer(s): (a) 5; (b) 20; (c) 25; (d) 15