Fill in the blanks.
80% 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.
80% =
80100 =
4595% =
95100 =
192045 of the girls =
1920 of the boys
Make the numerators the same using the LCM of 4 and 19.
LCM of 4 and 19 = 76
4 x 195 x 19 of the girls =
19 x 420 x 4 of the boys
7695 of the girls =
7680 of the boys
The totals are shown in the denominators.
Number of girls = 95 u
(b)
Number of boys = 80 u
(c)
Total number of girls and boys
= 95 u + 80 u
= 175 u
(d)
Difference between the number of girls and boys
= 95 u - 80 u
= 15 u
Answer(s): (a) 95; (b) 80; (c) 175; (d) 15