Fill in the blanks.
55% 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.
55% =
55100 =
112095% =
95100 =
19201120 of the boys =
1920 of the girls
Make the numerators the same using the LCM of 11 and 19.
LCM of 11 and 19 = 209
11 x 1920 x 19 of the boys =
19 x 1120 x 11 of the girls
209380 of the boys =
209220 of the girls
The totals are shown in the denominators.
Number of boys = 380 u
(b)
Number of girls = 220 u
(c)
Total number of boys and girls
= 380 u + 220 u
= 600 u
(d)
Difference between the number of boys and girls
= 380 u - 220 u
= 160 u
Answer(s): (a) 380; (b) 220; (c) 600; (d) 160