Fill in the blanks.
50% of the girls are equal to 95% 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.
50% =
50100 =
1295% =
95100 =
192012 of the girls =
1920 of the boys
Make the numerators the same using the LCM of 1 and 19.
LCM of 1 and 19 = 19
1 x 192 x 19 of the girls =
19 x 120 x 1 of the boys
1938 of the girls =
1920 of the boys
The totals are shown in the denominators.
Number of girls = 38 u
(b)
Number of boys = 20 u
(c)
Total number of girls and boys
= 38 u + 20 u
= 58 u
(d)
Difference between the number of girls and boys
= 38 u - 20 u
= 18 u
Answer(s): (a) 38; (b) 20; (c) 58; (d) 18