Fill in the blanks.
10% of the boys are equal to 60% of the girls.
- Number of boys = _____ u
- Number of girls = _____ u
- Total number of boys and girls = _____ u
- Difference between the number of boys and girls = _____ u
(a)
Change percentage into units.
10% =
10100 =
11060% =
60100 =
35110 of the boys =
35 of the girls
Make the numerators the same using the LCM of 1 and 3.
LCM of 1 and 3 = 3
1 x 310 x 3 of the boys =
3 x 15 x 1 of the girls
330 of the boys =
35 of the girls
The totals are shown in the denominators.
Number of boys = 30 u
(b)
Number of girls = 5 u
(c)
Total number of boys and girls
= 30 u + 5 u
= 35 u
(d)
Difference between the number of boys and girls
= 30 u - 5 u
= 25 u
Answer(s): (a) 30; (b) 5; (c) 35; (d) 25