# percentage

• Sep 2nd 2006, 11:50 PM
james288999
percentage
In a survey, it is found that 567 pupils, represening 42% of the total srength of a school come by school bus. If 4% come by car, 540 come on foot and rest use their bicycles find:
1 the total strength of the school.
2 the percentage of pupils using their bicycles.
• Sep 3rd 2006, 12:12 AM
Glaysher
1.

42% of strength is 567
1% of strength is $\frac{567}{42}=13.5$
100% of strength is $13.5 \times 100 = 1350$
• Sep 3rd 2006, 12:16 AM
Glaysher
2.

On foot $\frac{540}{1350} \times 100 = 40$%

On bicycle 100 - 40 - 42 - 4 = 14%

14% $1350 \times 0.14 = 13.5 \times 14 = 189$