Fill in the blanks.
49 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 fraction into units.
49 of the females =
710 of the males
Make the numerators the same using the LCM of 4 and 7.
LCM of 4 and 7 = 28
4 x 79 x 7 of the females of the females =
7 x 410 x 4 of the males
2863 of the females =
2840 of the males
The totals are shown in the denominators.
Number of females = 63 u
(b)
Number of males = 40 u
(c)
Total number of females and males
= 63 u + 40 u
= 103 u
(d)
Difference between the number of females and males
= 63 u - 40 u
= 23 u
Answer(s): (a) 63; (b) 40; (c) 103; (d) 23