Fill in the blanks.
0.8 of the girls are equal to
35 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 =
35 of the boys
Make the numerators the same.
LCM of 4 and 3 = 12
4 x 35 x 3 of the girls =
3 x 45 x 4 of the boys
1215 of the girls =
1220 of the boys
Number of girls = 15 u
(b)
Number of boys = 20 u
(c)
Total number of girls and boys
= 15 u + 20 u
= 35 u
(d)
Difference between the number of boys and girls
= 20 u - 15 u
= 5 u
Answer(s): (a) 15; (b) 20; (c) 35; (d) 5