Fill in the blanks.
0.7 of the males are equal to 0.75 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 decimal into units.
0.7 =
710 =
710 0.75 =
75100 =
34 710 of the males =
34 of the females
Make the numerators the same using the LCM of 7 and 3.
LCM of 7 and 3 = 21
7 x 310 x 3 of the males =
3 x 74 x 7 of the females
2130 of the males =
2128 of the females
The totals are shown in the denominators.
Number of males = 30 u
(b)
Number of females = 28 u
(c)
Total number of males and females
= 30 u + 28 u
= 58 u
(d)
Difference between the number of males and females
= 30 u - 28 u
= 2 u
Answer(s): (a) 30; (b) 28; (c) 58; (d) 2