Fill in the blanks.
38 of the girls are equal to
47 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 fraction into units.
38 of the girls =
47 of the boys
Make the numerators the same using the LCM of 3 and 4.
LCM of 3 and 4 = 12
3 x 48 x 4 of the girls of the girls =
4 x 37 x 3 of the boys
1232 of the girls =
1221 of the boys
The totals are shown in the denominators.
Number of girls = 32 u
(b)
Number of boys = 21 u
(c)
Total number of girls and boys
= 32 u + 21 u
= 53 u
(d)
Difference between the number of girls and boys
= 32 u - 21 u
= 11 u
Answer(s): (a) 32; (b) 21; (c) 53; (d) 11