Fill in the blanks.
The number of boys is 90% as many as the number of girls.
- Number of boys = _____ u
- Number of girls = _____ u
- Total number of boys and girls = _____ u
- Difference between the number of boys and girls = _____ u
(a)
Change percentage into units.
The number of boys is 90% as many as the number of girls.
90% =
90100 =
910 The number of boys is
910 as many as the number of girls.
Number of boys = 9 u
(b)
Number of girls = 10 u
(c)
Total number of boys and girls
= 9 u + 10 u
= 19 u
(d)
Difference in the number of boys and girls
= 10 u - 9 u
= 1 u
Answer(s): (a) 9; (b) 10; (c) 19; (d) 1