Fill in the blanks.
35% 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.
35% =
35100 =
72060% =
60100 =
35720 of the boys =
35 of the girls
Make the numerators the same using the LCM of 7 and 3.
LCM of 7 and 3 = 21
7 x 320 x 3 of the boys =
3 x 75 x 7 of the girls
2160 of the boys =
2135 of the girls
The totals are shown in the denominators.
Number of boys = 60 u
(b)
Number of girls = 35 u
(c)
Total number of boys and girls
= 60 u + 35 u
= 95 u
(d)
Difference between the number of boys and girls
= 60 u - 35 u
= 25 u
Answer(s): (a) 60; (b) 35; (c) 95; (d) 25