Fill in the blanks.
The number of girls is 80% as many as the number of boys.
- Number of girls = _____ u
- Number of boys = _____ u
- Total number of girls and boys = _____ u
- Difference between the number of girls and boys = _____ u
(a)
Change percentage into units.
The number of girls is 80% as many as the number of boys.
80% =
80100 =
45 The number of girls is
45 as many as the number of boys.
Number of girls = 4 u
(b)
Number of boys = 5 u
(c)
Total number of girls and boys
= 4 u + 5 u
= 9 u
(d)
Difference in the number of girls and boys
= 5 u - 4 u
= 1 u
Answer(s): (a) 4; (b) 5; (c) 9; (d) 1