Fill in the blanks.
0.8 of the girls are equal to
19 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 =
19 of the boys
Make the numerators the same.
LCM of 4 and 1 = 4
4 x 15 x 1 of the girls =
1 x 49 x 4 of the boys
45 of the girls =
436 of the boys
Number of girls = 5 u
(b)
Number of boys = 36 u
(c)
Total number of girls and boys
= 5 u + 36 u
= 41 u
(d)
Difference between the number of boys and girls
= 36 u - 5 u
= 31 u
Answer(s): (a) 5; (b) 36; (c) 41; (d) 31