Fill in the blanks.
0.4 of the boys are equal to
19 of the 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 decimal and fraction into units.
0.4 =
410 =
2525 of the boys =
19 of the girls
Make the numerators the same.
LCM of 2 and 1 = 2
2 x 15 x 1 of the boys =
1 x 29 x 2 of the girls
25 of the boys =
218 of the girls
Number of boys = 5 u
(b)
Number of girls = 18 u
(c)
Total number of boys and girls
= 5 u + 18 u
= 23 u
(d)
Difference between the number of girls and boys
= 18 u - 5 u
= 13 u
Answer(s): (a) 5; (b) 18; (c) 23; (d) 13