Fill in the blanks.
0.8 of the females are equal to
710 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 =
710 of the males
Make the numerators the same.
LCM of 4 and 7 = 28
4 x 75 x 7 of the females =
7 x 410 x 4 of the males
2835 of the females =
2840 of the males
Number of females = 35 u
(b)
Number of males = 40 u
(c)
Total number of females and males
= 35 u + 40 u
= 75 u
(d)
Difference between the number of males and females
= 40 u - 35 u
= 5 u
Answer(s): (a) 35; (b) 40; (c) 75; (d) 5