Fill in the blanks.
49 of the females are equal to
12 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 =
12 of the males
Make the numerators the same using the LCM of 4 and 1.
LCM of 4 and 1 = 4
4 x 19 x 1 of the females of the females =
1 x 42 x 4 of the males
49 of the females =
48 of the males
The totals are shown in the denominators.
Number of females = 9 u
(b)
Number of males = 8 u
(c)
Total number of females and males
= 9 u + 8 u
= 17 u
(d)
Difference between the number of females and males
= 9 u - 8 u
= 1 u
Answer(s): (a) 9; (b) 8; (c) 17; (d) 1