Fill in the blanks.
13 of the males are equal to
78 of the females.
- Number of males = _____ u
- Number of females = _____ u
- Total number of males and females = _____ u
- Difference between the number of males and females = _____ u
(a)
Change fraction into units.
13 of the males =
78 of the females
Make the numerators the same using the LCM of 1 and 7.
LCM of 1 and 7 = 7
1 x 73 x 7 of the males of the males =
7 x 18 x 1 of the females
721 of the males =
78 of the females
The totals are shown in the denominators.
Number of males = 21 u
(b)
Number of females = 8 u
(c)
Total number of males and females
= 21 u + 8 u
= 29 u
(d)
Difference between the number of males and females
= 21 u - 8 u
= 13 u
Answer(s): (a) 21; (b) 8; (c) 29; (d) 13