Fill in the blanks.
The number of boys is 1.15 times more than the number of girls.
- Number of girls = _____ u
- Number of boys = _____ u
- Total number of boys and girls = _____ u
- Difference between the number of boys and girls = _____ u
(a)
Change decimal into units.
The number of boys is 1.15 times more than the number of girls.
1 + 1.15 = 2.15
2.15
= 2
15100 = 2
320 =
2 x 20 + 3 20 =
40 + 3 20=
4320 The number of boys is
4320 the number of girls.
Number of girls = 20 u
(b)
Number of boys = 43 u
(c)
Total number of children
= 20 u + 43 u
= 63 u
(d)
Difference in the number of boys and girls
= 43 u - 20 u
= 23 u
Answer(s): (a) 20; (b) 43; (c) 63; (d) 23