Fill in the blanks.
60% of the girls are equal to 75% of the boys.
- Number of girls = _____ u
- Number of boys = _____ u
- Total number of girls and boys = _____ u
- Difference between the number of girls and boys = _____ u
(a)
Change percentage into units.
60% =
60100 =
3575% =
75100 =
3435 of the girls =
34 of the boys
Make the numerators the same using the LCM of 3 and 3.
LCM of 3 and 3 = 3
3 x 15 x 1 of the girls =
3 x 14 x 1 of the boys
35 of the girls =
34 of the boys
The totals are shown in the denominators.
Number of girls = 5 u
(b)
Number of boys = 4 u
(c)
Total number of girls and boys
= 5 u + 4 u
= 9 u
(d)
Difference between the number of girls and boys
= 5 u - 4 u
= 1 u
Answer(s): (a) 5; (b) 4; (c) 9; (d) 1