Fill in the blanks.
29 of the girls are equal to
910 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.
29 of the girls =
910 of the boys
Make the numerators the same using the LCM of 2 and 9.
LCM of 2 and 9 = 18
2 x 99 x 9 of the girls of the girls =
9 x 210 x 2 of the boys
1881 of the girls =
1820 of the boys
The totals are shown in the denominators.
Number of girls = 81 u
(b)
Number of boys = 20 u
(c)
Total number of girls and boys
= 81 u + 20 u
= 101 u
(d)
Difference between the number of girls and boys
= 81 u - 20 u
= 61 u
Answer(s): (a) 81; (b) 20; (c) 101; (d) 61