Fill in the blanks.
55% 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.
55% =
55100 =
112060% =
60100 =
351120 of the boys =
35 of the girls
Make the numerators the same using the LCM of 11 and 3.
LCM of 11 and 3 = 33
11 x 320 x 3 of the boys =
3 x 115 x 11 of the girls
3360 of the boys =
3355 of the girls
The totals are shown in the denominators.
Number of boys = 60 u
(b)
Number of girls = 55 u
(c)
Total number of boys and girls
= 60 u + 55 u
= 115 u
(d)
Difference between the number of boys and girls
= 60 u - 55 u
= 5 u
Answer(s): (a) 60; (b) 55; (c) 115; (d) 5