Fill in the blanks.
0.5 of the girls are equal to 0.75 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 into units.
0.5 =
510 =
12 0.75 =
75100 =
34 12 of the girls =
34 of the boys
Make the numerators the same using the LCM of 1 and 3.
LCM of 1 and 3 = 3
1 x 32 x 3 of the girls =
3 x 14 x 1 of the boys
36 of the girls =
34 of the boys
The totals are shown in the denominators.
Number of girls = 6 u
(b)
Number of boys = 4 u
(c)
Total number of girls and boys
= 6 u + 4 u
= 10 u
(d)
Difference between the number of girls and boys
= 6 u - 4 u
= 2 u
Answer(s): (a) 6; (b) 4; (c) 10; (d) 2