Fill in the blanks.
49 of the girls are equal to
35 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.
49 of the girls =
35 of the boys
Make the numerators the same using the LCM of 4 and 3.
LCM of 4 and 3 = 12
4 x 39 x 3 of the girls of the girls =
3 x 45 x 4 of the boys
1227 of the girls =
1220 of the boys
The totals are shown in the denominators.
Number of girls = 27 u
(b)
Number of boys = 20 u
(c)
Total number of girls and boys
= 27 u + 20 u
= 47 u
(d)
Difference between the number of girls and boys
= 27 u - 20 u
= 7 u
Answer(s): (a) 27; (b) 20; (c) 47; (d) 7