Fill in the blanks.
0.8 of the girls are equal to
13 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 =
13 of the boys
Make the numerators the same.
LCM of 4 and 1 = 4
4 x 15 x 1 of the girls =
1 x 43 x 4 of the boys
45 of the girls =
412 of the boys
Number of girls = 5 u
(b)
Number of boys = 12 u
(c)
Total number of girls and boys
= 5 u + 12 u
= 17 u
(d)
Difference between the number of boys and girls
= 12 u - 5 u
= 7 u
Answer(s): (a) 5; (b) 12; (c) 17; (d) 7