Fill in the blanks.
0.8 of the boys are equal to
79 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.
0.8 =
810 =
4545 of the boys =
79 of the girls
Make the numerators the same.
LCM of 4 and 7 = 28
4 x 75 x 7 of the boys =
7 x 49 x 4 of the girls
2835 of the boys =
2836 of the girls
Number of boys = 35 u
(b)
Number of girls = 36 u
(c)
Total number of boys and girls
= 35 u + 36 u
= 71 u
(d)
Difference between the number of girls and boys
= 36 u - 35 u
= 1 u
Answer(s): (a) 35; (b) 36; (c) 71; (d) 1