Fill in the blanks.
65% of the boys are equal to 75% 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.
65% =
65100 =
132075% =
75100 =
341320 of the boys =
34 of the girls
Make the numerators the same using the LCM of 13 and 3.
LCM of 13 and 3 = 39
13 x 320 x 3 of the boys =
3 x 134 x 13 of the girls
3960 of the boys =
3952 of the girls
The totals are shown in the denominators.
Number of boys = 60 u
(b)
Number of girls = 52 u
(c)
Total number of boys and girls
= 60 u + 52 u
= 112 u
(d)
Difference between the number of boys and girls
= 60 u - 52 u
= 8 u
Answer(s): (a) 60; (b) 52; (c) 112; (d) 8