Fill in the blanks.
25% of the girls are equal to 55% 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 percentage into units.
25% =
25100 =
1455% =
55100 =
112014 of the girls =
1120 of the boys
Make the numerators the same using the LCM of 1 and 11.
LCM of 1 and 11 = 11
1 x 114 x 11 of the girls =
11 x 120 x 1 of the boys
1144 of the girls =
1120 of the boys
The totals are shown in the denominators.
Number of girls = 44 u
(b)
Number of boys = 20 u
(c)
Total number of girls and boys
= 44 u + 20 u
= 64 u
(d)
Difference between the number of girls and boys
= 44 u - 20 u
= 24 u
Answer(s): (a) 44; (b) 20; (c) 64; (d) 24