Fill in the blanks.
0.4 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.
0.4 =
410 =
2525 of the females =
15 of the males
Make the numerators the same.
LCM of 2 and 1 = 2
2 x 15 x 1 of the females =
1 x 25 x 2 of the males
25 of the females =
210 of the males
Number of females = 5 u
(b)
Number of males = 10 u
(c)
Total number of females and males
= 5 u + 10 u
= 15 u
(d)
Difference between the number of males and females
= 10 u - 5 u
= 5 u
Answer(s): (a) 5; (b) 10; (c) 15; (d) 5