Fill in the blanks.
0.8 of the girls are equal to
58 of the 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 decimal and fraction into units.
0.8 =
810 =
4545 of the girls =
58 of the boys
Make the numerators the same.
LCM of 4 and 5 = 20
4 x 55 x 5 of the girls =
5 x 48 x 4 of the boys
2025 of the girls =
2032 of the boys
Number of girls = 25 u
(b)
Number of boys = 32 u
(c)
Total number of girls and boys
= 25 u + 32 u
= 57 u
(d)
Difference between the number of boys and girls
= 32 u - 25 u
= 7 u
Answer(s): (a) 25; (b) 32; (c) 57; (d) 7