Fill in the blanks.
The number of boys is 30% 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 30% as many as the number of girls.
30% =
30100 =
310 The number of boys is
310 as many as the number of girls.
Number of boys = 3 u
(b)
Number of girls = 10 u
(c)
Total number of boys and girls
= 3 u + 10 u
= 13 u
(d)
Difference in the number of boys and girls
= 10 u - 3 u
= 7 u
Answer(s): (a) 3; (b) 10; (c) 13; (d) 7