Fill in the blanks.
15% of the boys are equal to 95% 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.
15% =
15100 =
32095% =
95100 =
1920320 of the boys =
1920 of the girls
Make the numerators the same using the LCM of 3 and 19.
LCM of 3 and 19 = 57
3 x 1920 x 19 of the boys =
19 x 320 x 3 of the girls
57380 of the boys =
5760 of the girls
The totals are shown in the denominators.
Number of boys = 380 u
(b)
Number of girls = 60 u
(c)
Total number of boys and girls
= 380 u + 60 u
= 440 u
(d)
Difference between the number of boys and girls
= 380 u - 60 u
= 320 u
Answer(s): (a) 380; (b) 60; (c) 440; (d) 320